diff --git a/wp-admin/css/customize-controls-rtl.css b/wp-admin/css/customize-controls-rtl.css
index 732f139a9d..d2cc4d0ebd 100644
--- a/wp-admin/css/customize-controls-rtl.css
+++ b/wp-admin/css/customize-controls-rtl.css
@@ -275,6 +275,10 @@ body {
 	line-height: 24px;
 }
 
+p.customize-section-description {
+	font-style: normal;
+}
+
 .customize-control {
 	width: 100%;
 	float: right;
@@ -314,6 +318,13 @@ body {
 	margin-bottom: 5px;
 }
 
+.customize-control-description {
+	display: block;
+	font-style: italic;
+	line-height: 18px;
+	margin-bottom: 5px;
+}
+
 .customize-control-color .color-picker,
 .customize-control-checkbox label,
 .customize-control-upload div {
@@ -333,6 +344,10 @@ body {
 	line-height: 22px;
 }
 
+.customize-control-radio .customize-control-title + .customize-control-description {
+	margin-top: 7px;
+}
+
 .customize-control-radio label {
 	line-height: 32px;
 }
diff --git a/wp-admin/css/customize-controls-rtl.min.css b/wp-admin/css/customize-controls-rtl.min.css
index b4166a1a6f..339d9ff888 100644
--- a/wp-admin/css/customize-controls-rtl.min.css
+++ b/wp-admin/css/customize-controls-rtl.min.css
@@ -1 +1 @@
-body{overflow:hidden}#customize-controls a{text-decoration:none}#customize-controls h3{font-size:14px}#customize-controls .submit{text-align:center}#customize-controls .description{color:#666}#customize-header-actions .button-primary{float:left;margin-top:9px}#customize-header-actions .spinner{margin-top:16px;margin-left:4px}.saving #customize-header-actions .spinner{display:block}#customize-controls .wp-full-overlay-sidebar-content{overflow-y:auto;overflow-x:hidden}#customize-info{border:0;border-top:1px solid #ddd}#customize-info .accordion-section-title{background-color:#fff;color:#666;border-right:0;border-left:0;border-bottom:1px solid #eee}#customize-info .accordion-section-title:focus,#customize-info .accordion-section-title:focus:after,#customize-info .accordion-section-title:hover,#customize-info .accordion-section-title:hover:after,#customize-info.open .accordion-section-title,#customize-info.open .accordion-section-title:after{color:#555}#customize-info.open .accordion-section-title{border-color:transparent}#customize-info .preview-notice{font-size:13px;line-height:24px}#customize-info .theme-name{font-size:20px;font-weight:200;line-height:24px;display:block}#customize-info .theme-screenshot{width:258px}#customize-info .theme-description{margin-top:1em;color:#666;line-height:20px}#customize-theme-controls .control-section{border:0}#customize-theme-controls .accordion-section-title{color:#555;background-color:#fff;border-bottom:1px solid #eee}#customize-theme-controls .accordion-section-content{color:#555;background:#fff}#customize-theme-controls .control-section .accordion-section-title:focus,#customize-theme-controls .control-section .accordion-section-title:hover,#customize-theme-controls .control-section.open .accordion-section-title,#customize-theme-controls .control-section:hover>.accordion-section-title{color:#555;background:#f5f5f5}.js .control-section .accordion-section-title:focus,.js .control-section .accordion-section-title:hover,.js .control-section.open .accordion-section-title,.js .control-section:hover .accordion-section-title{background:#f5f5f5}#customize-theme-controls .control-section .accordion-section-title:focus::after,#customize-theme-controls .control-section .accordion-section-title:hover::after,#customize-theme-controls .control-section.open .accordion-section-title::after,#customize-theme-controls .control-section:hover>.accordion-section-title::after{color:#555}#customize-theme-controls .control-section.open{border-bottom:1px solid #eee}#customize-theme-controls .control-section.open .accordion-section-title{border-bottom-color:#eee!important}#customize-theme-controls .control-section:last-of-type .accordion-section-title,#customize-theme-controls .control-section:last-of-type.open{border-bottom-color:#ddd}#customize-theme-controls .accordion-section-content,#customize-theme-controls>ul{margin:0}.control-section.control-panel>.accordion-section-title:after{content:"\f139"}.accordion-sub-container.control-panel-content{display:none;position:absolute;right:300px;top:0;width:300px;border-top:1px solid #ddd;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.accordion-sub-container.control-panel-content.animating{display:block}.current-panel .accordion-sub-container.control-panel-content{width:100%}.control-panel-back{display:block;position:fixed;top:0;z-index:99;right:-48px;width:45px;height:45px;padding-left:2px;background:#eee;border-left:1px solid #ddd;cursor:pointer;-webkit-transition:right ease-in-out .18s,color ease-in .1s;transition:right ease-in-out .18s,color ease-in .1s}.collapsed .control-panel-back{display:none}.control-panel-back:focus,.control-panel-back:hover{background-color:#0074a2;color:#fff;outline:0}.control-panel-back:before{font:400 29px/1 dashicons;content:"\f340";position:relative;top:9px;right:9px}.current-panel .control-panel-back{right:0}.current-panel>.accordion-section-title{height:22px}#customize-header-actions a.back{position:relative;right:0;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.in-sub-panel #customize-header-actions a.back{right:-120px}.wp-full-overlay-sidebar .wp-full-overlay-header{-webkit-transition:padding ease-in-out .18s;transition:padding ease-in-out .18s}.in-sub-panel .wp-full-overlay-sidebar .wp-full-overlay-header{padding-right:62px}#customize-info,#customize-theme-controls>ul>.accordion-section{position:relative;right:0;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.in-sub-panel #customize-info,.in-sub-panel #customize-theme-controls>ul>.accordion-section{right:-300px;width:300px}.in-sub-panel #customize-theme-controls .accordion-section.current-panel{width:100%}#customize-theme-controls .control-section.current-panel{padding:0}#customize-theme-controls .control-section>h3.accordion-section-title{position:relative;right:0}#customize-theme-controls .control-section.current-panel>h3.accordion-section-title{right:-300px;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.control-section.control-panel .accordion-section-title .panel-title{font-size:20px;font-weight:200;line-height:24px;display:block;border:0}.control-section.control-panel .preview-notice{font-size:13px;line-height:24px}.customize-control{width:100%;float:right;clear:both;margin-bottom:8px}.customize-control input[type=checkbox],.customize-control input[type=radio],.customize-control input[type=text],.customize-control select{line-height:28px}.customize-control input[type=text]{width:98%;line-height:18px;margin:0}.customize-control select{min-width:50%;max-width:100%;height:28px;line-height:28px}.customize-control select[multiple]{height:auto}.customize-control-title{display:block;font-size:14px;line-height:24px;font-weight:600;margin-bottom:5px}.customize-control-checkbox label,.customize-control-color .color-picker,.customize-control-upload div{line-height:28px}.customize-control-checkbox input{margin-left:5px}.customize-control-radio{padding:5px 0 10px}.customize-control-radio .customize-control-title{margin-bottom:0;line-height:22px}.customize-control-radio label{line-height:32px}.customize-control-radio input{margin-left:5px}#customize-preview iframe{width:100%;height:100%}.wp-full-overlay-sidebar{background:#eee;border-left:1px solid #ddd}.collapse-sidebar{background-color:transparent!important;border:0!important;-webkit-box-shadow:none!important;box-shadow:none!important;-webkit-border-radius:!important 0;border-radius:!important 0}.collapse-sidebar:active,.collapse-sidebar:active .collapse-sidebar-arrow:before,.collapse-sidebar:active .collapse-sidebar-label{text-shadow:none}.collapsed .collapse-sidebar-arrow:before{color:#888}.accordion-section .dropdown{float:right;display:block;position:relative;cursor:pointer}.accordion-section .dropdown-content{overflow:hidden;float:right;min-width:30px;height:16px;line-height:16px;margin-left:16px;padding:4px 5px;border:2px solid #eee;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.customize-control .dropdown-arrow{position:absolute;top:0;bottom:0;left:0;width:20px;background:#eee}.customize-control .dropdown-arrow:after{content:"\f140";font:400 20px/1 dashicons;speak:none;display:block;padding:0;text-indent:0;text-align:center;position:relative;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important;color:#333}.customize-control .dropdown-status{color:#333;background:#eee;display:none;max-width:112px}.customize-control-color .color-picker-hex{display:none}.customize-control-color.open .color-picker-hex{display:block}.customize-control-color .dropdown{margin-left:5px;margin-bottom:5px}.customize-control-color .dropdown .dropdown-content{background-color:#555;border:1px solid rgba(0,0,0,.15)}.customize-control-color .dropdown:hover .dropdown-content{border-color:rgba(0,0,0,.25)}.customize-control-image .actions,.customize-control-image .library{display:none;float:right;width:100%}.customize-control-image.open .actions,.customize-control-image.open .library{display:block}.accordion-section .customize-control-image .dropdown-content{height:auto;min-height:24px;min-width:40px;padding:0}.accordion-section .customize-control-image .dropdown-status{padding:4px 5px}.accordion-section .customize-control-image .preview-thumbnail img{display:block;width:100%;max-width:122px;max-height:98px;margin:0 auto}.accordion-section .customize-control-image .actions{text-align:left}.accordion-section .customize-control-image .library ul{border-bottom:1px solid #ddd;float:right;width:100%;margin:10px 0 0}.accordion-section .customize-control-image .library li{color:#ccc;float:right;padding:3px 15px;margin:0;border:1px solid transparent}.accordion-section .customize-control-image .library li.library-selected{margin-bottom:-1px;padding-bottom:4px;color:#666;border-color:#ddd;border-bottom-color:#fff}.accordion-section .customize-control-image .library .thumbnail{display:block;width:100%}.accordion-section .customize-control-image .library .thumbnail img{display:block;max-width:90%;max-height:80px;margin:5px auto;padding:2px;background:#666}.accordion-section .customize-control-image .library .thumbnail:hover img{background-color:#2ea2cc}.accordion-section .customize-control-image .library-content{display:none;width:100%;float:right;padding:10px 0}.accordion-section .customize-control-image .library-content.library-selected{display:block}.accordion-section .customize-control-image .upload-fallback,.accordion-section .customize-control-upload .upload-fallback{display:none}.accordion-section .customize-control-image .upload-dropzone,.accordion-section .customize-control-upload .upload-dropzone{display:none;padding:15px 10px;border:3px dashed #dfdfdf;margin:5px auto;text-align:center;position:relative;cursor:default}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop{display:block;-webkit-transition:border-color .1s;transition:border-color .1s}.accordion-section .customize-control-image .library ul li,.accordion-section .customize-control-upload .library ul li{cursor:pointer}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop.drag-over,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop.drag-over{border-color:#83b4d8}.ios #customize-preview,.ios .wp-full-overlay{position:relative}.ios #customize-controls .wp-full-overlay-sidebar-content{-webkit-overflow-scrolling:touch}#customize-control-header_image .current{margin-bottom:8px}#customize-control-header_image .uploaded{margin-bottom:18px}#customize-control-header_image .default button:not(.random),#customize-control-header_image .uploaded button:not(.random){width:100%;padding:0;margin:0;background:0 0;border:0;color:inherit;cursor:pointer}#customize-control-header_image button img{display:block}#customize-control-header_image button.new,#customize-control-header_image button.remove{white-space:normal;width:48%;height:auto}#customize-control-header_image .current .container{overflow:hidden;border:1px solid #eee;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .placeholder{width:100%;position:relative;text-align:center;cursor:default}#customize-control-header_image .inner{display:none;position:absolute;width:100%;color:#555;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}#customize-control-header_image .inner,#customize-control-header_image .inner .dashicons{line-height:20px;top:10px}#customize-control-header_image .list .inner,#customize-control-header_image .list .inner .dashicons{top:9px}#customize-control-header_image .header-view{position:relative;width:100%;margin-bottom:5px}#customize-control-header_image .header-view:last-child{margin-bottom:0}#customize-control-header_image .header-view:after{border:0}#customize-control-header_image .header-view.selected:after{content:'';position:absolute;height:auto;top:0;right:0;bottom:0;left:0;border:4px solid #2ea2cc;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .header-view.button.selected{border:0}#customize-control-header_image .uploaded .header-view .close{font-size:2em;color:grey;position:absolute;visibility:hidden;top:10px;left:10px;z-index:1;width:20px;height:20px;cursor:pointer}#customize-control-header_image .uploaded .header-view .close:hover{color:#000;text-shadow:-1px -1px 0 #fff,1px -1px 0 #fff,-1px 1px 0 #fff,1px 1px 0 #fff}#customize-control-header_image .header-view:hover .close{visibility:visible}#customize-control-header_image .random.placeholder{cursor:pointer;-webkit-border-radius:2px;border-radius:2px;height:40px}#customize-control-header_image button.random{width:100%;height:auto;min-height:40px;white-space:normal}#customize-control-header_image button.random .dice{margin-top:4px}#customize-control-header_image .header-view:hover>button.random .dice,#customize-control-header_image .placeholder:hover .dice{-webkit-animation:dice-color-change 3s infinite;-ms-animation:dice-color-change 3s infinite;animation:dice-color-change 3s infinite}@-webkit-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@-ms-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}#customize-control-header_image .actions{margin-bottom:32px}#customize-control-header_image .choice{position:relative;display:block;margin-bottom:9px}#customize-control-header_image .uploaded div:last-child>.choice{margin-bottom:0}#customize-control-header_image img{width:100%;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .remove{float:right;margin-left:3px}#customize-control-header_image .new{float:left}body.cheatin{font-size:medium;height:auto;background:#fff;margin:50px auto 2em;padding:1em 2em;max-width:700px;min-width:0;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.13);box-shadow:0 1px 3px rgba(0,0,0,.13)}body.cheatin p{font-size:14px;line-height:1.5;margin:25px 0 20px}
\ No newline at end of file
+body{overflow:hidden}#customize-controls a{text-decoration:none}#customize-controls h3{font-size:14px}#customize-controls .submit{text-align:center}#customize-controls .description{color:#666}#customize-header-actions .button-primary{float:left;margin-top:9px}#customize-header-actions .spinner{margin-top:16px;margin-left:4px}.saving #customize-header-actions .spinner{display:block}#customize-controls .wp-full-overlay-sidebar-content{overflow-y:auto;overflow-x:hidden}#customize-info{border:0;border-top:1px solid #ddd}#customize-info .accordion-section-title{background-color:#fff;color:#666;border-right:0;border-left:0;border-bottom:1px solid #eee}#customize-info .accordion-section-title:focus,#customize-info .accordion-section-title:focus:after,#customize-info .accordion-section-title:hover,#customize-info .accordion-section-title:hover:after,#customize-info.open .accordion-section-title,#customize-info.open .accordion-section-title:after{color:#555}#customize-info.open .accordion-section-title{border-color:transparent}#customize-info .preview-notice{font-size:13px;line-height:24px}#customize-info .theme-name{font-size:20px;font-weight:200;line-height:24px;display:block}#customize-info .theme-screenshot{width:258px}#customize-info .theme-description{margin-top:1em;color:#666;line-height:20px}#customize-theme-controls .control-section{border:0}#customize-theme-controls .accordion-section-title{color:#555;background-color:#fff;border-bottom:1px solid #eee}#customize-theme-controls .accordion-section-content{color:#555;background:#fff}#customize-theme-controls .control-section .accordion-section-title:focus,#customize-theme-controls .control-section .accordion-section-title:hover,#customize-theme-controls .control-section.open .accordion-section-title,#customize-theme-controls .control-section:hover>.accordion-section-title{color:#555;background:#f5f5f5}.js .control-section .accordion-section-title:focus,.js .control-section 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.accordion-section-content,#customize-theme-controls>ul{margin:0}.control-section.control-panel>.accordion-section-title:after{content:"\f139"}.accordion-sub-container.control-panel-content{display:none;position:absolute;right:300px;top:0;width:300px;border-top:1px solid #ddd;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.accordion-sub-container.control-panel-content.animating{display:block}.current-panel .accordion-sub-container.control-panel-content{width:100%}.control-panel-back{display:block;position:fixed;top:0;z-index:99;right:-48px;width:45px;height:45px;padding-left:2px;background:#eee;border-left:1px solid #ddd;cursor:pointer;-webkit-transition:right ease-in-out .18s,color ease-in .1s;transition:right ease-in-out .18s,color ease-in .1s}.collapsed .control-panel-back{display:none}.control-panel-back:focus,.control-panel-back:hover{background-color:#0074a2;color:#fff;outline:0}.control-panel-back:before{font:400 29px/1 dashicons;content:"\f340";position:relative;top:9px;right:9px}.current-panel .control-panel-back{right:0}.current-panel>.accordion-section-title{height:22px}#customize-header-actions a.back{position:relative;right:0;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.in-sub-panel #customize-header-actions a.back{right:-120px}.wp-full-overlay-sidebar .wp-full-overlay-header{-webkit-transition:padding ease-in-out .18s;transition:padding ease-in-out .18s}.in-sub-panel .wp-full-overlay-sidebar .wp-full-overlay-header{padding-right:62px}#customize-info,#customize-theme-controls>ul>.accordion-section{position:relative;right:0;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.in-sub-panel #customize-info,.in-sub-panel #customize-theme-controls>ul>.accordion-section{right:-300px;width:300px}.in-sub-panel #customize-theme-controls .accordion-section.current-panel{width:100%}#customize-theme-controls .control-section.current-panel{padding:0}#customize-theme-controls .control-section>h3.accordion-section-title{position:relative;right:0}#customize-theme-controls .control-section.current-panel>h3.accordion-section-title{right:-300px;-webkit-transition:right ease-in-out .18s;transition:right ease-in-out .18s}.control-section.control-panel .accordion-section-title .panel-title{font-size:20px;font-weight:200;line-height:24px;display:block;border:0}.control-section.control-panel .preview-notice{font-size:13px;line-height:24px}p.customize-section-description{font-style:normal}.customize-control{width:100%;float:right;clear:both;margin-bottom:8px}.customize-control input[type=checkbox],.customize-control input[type=radio],.customize-control input[type=text],.customize-control select{line-height:28px}.customize-control input[type=text]{width:98%;line-height:18px;margin:0}.customize-control select{min-width:50%;max-width:100%;height:28px;line-height:28px}.customize-control select[multiple]{height:auto}.customize-control-title{display:block;font-size:14px;line-height:24px;font-weight:600;margin-bottom:5px}.customize-control-description{display:block;font-style:italic;line-height:18px;margin-bottom:5px}.customize-control-checkbox label,.customize-control-color .color-picker,.customize-control-upload div{line-height:28px}.customize-control-checkbox input{margin-left:5px}.customize-control-radio{padding:5px 0 10px}.customize-control-radio .customize-control-title{margin-bottom:0;line-height:22px}.customize-control-radio .customize-control-title+.customize-control-description{margin-top:7px}.customize-control-radio label{line-height:32px}.customize-control-radio input{margin-left:5px}#customize-preview iframe{width:100%;height:100%}.wp-full-overlay-sidebar{background:#eee;border-left:1px solid #ddd}.collapse-sidebar{background-color:transparent!important;border:0!important;-webkit-box-shadow:none!important;box-shadow:none!important;-webkit-border-radius:!important 0;border-radius:!important 0}.collapse-sidebar:active,.collapse-sidebar:active .collapse-sidebar-arrow:before,.collapse-sidebar:active .collapse-sidebar-label{text-shadow:none}.collapsed .collapse-sidebar-arrow:before{color:#888}.accordion-section .dropdown{float:right;display:block;position:relative;cursor:pointer}.accordion-section .dropdown-content{overflow:hidden;float:right;min-width:30px;height:16px;line-height:16px;margin-left:16px;padding:4px 5px;border:2px solid #eee;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.customize-control .dropdown-arrow{position:absolute;top:0;bottom:0;left:0;width:20px;background:#eee}.customize-control .dropdown-arrow:after{content:"\f140";font:400 20px/1 dashicons;speak:none;display:block;padding:0;text-indent:0;text-align:center;position:relative;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important;color:#333}.customize-control .dropdown-status{color:#333;background:#eee;display:none;max-width:112px}.customize-control-color .color-picker-hex{display:none}.customize-control-color.open .color-picker-hex{display:block}.customize-control-color .dropdown{margin-left:5px;margin-bottom:5px}.customize-control-color .dropdown .dropdown-content{background-color:#555;border:1px solid rgba(0,0,0,.15)}.customize-control-color .dropdown:hover .dropdown-content{border-color:rgba(0,0,0,.25)}.customize-control-image .actions,.customize-control-image .library{display:none;float:right;width:100%}.customize-control-image.open .actions,.customize-control-image.open .library{display:block}.accordion-section .customize-control-image .dropdown-content{height:auto;min-height:24px;min-width:40px;padding:0}.accordion-section .customize-control-image .dropdown-status{padding:4px 5px}.accordion-section .customize-control-image .preview-thumbnail img{display:block;width:100%;max-width:122px;max-height:98px;margin:0 auto}.accordion-section .customize-control-image .actions{text-align:left}.accordion-section .customize-control-image .library ul{border-bottom:1px solid #ddd;float:right;width:100%;margin:10px 0 0}.accordion-section .customize-control-image .library li{color:#ccc;float:right;padding:3px 15px;margin:0;border:1px solid transparent}.accordion-section .customize-control-image .library li.library-selected{margin-bottom:-1px;padding-bottom:4px;color:#666;border-color:#ddd;border-bottom-color:#fff}.accordion-section .customize-control-image .library .thumbnail{display:block;width:100%}.accordion-section .customize-control-image .library .thumbnail img{display:block;max-width:90%;max-height:80px;margin:5px auto;padding:2px;background:#666}.accordion-section .customize-control-image .library .thumbnail:hover img{background-color:#2ea2cc}.accordion-section .customize-control-image .library-content{display:none;width:100%;float:right;padding:10px 0}.accordion-section .customize-control-image .library-content.library-selected{display:block}.accordion-section .customize-control-image .upload-fallback,.accordion-section .customize-control-upload .upload-fallback{display:none}.accordion-section .customize-control-image .upload-dropzone,.accordion-section .customize-control-upload .upload-dropzone{display:none;padding:15px 10px;border:3px dashed #dfdfdf;margin:5px auto;text-align:center;position:relative;cursor:default}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop{display:block;-webkit-transition:border-color .1s;transition:border-color .1s}.accordion-section .customize-control-image .library ul li,.accordion-section .customize-control-upload .library ul li{cursor:pointer}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop.drag-over,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop.drag-over{border-color:#83b4d8}.ios #customize-preview,.ios .wp-full-overlay{position:relative}.ios #customize-controls .wp-full-overlay-sidebar-content{-webkit-overflow-scrolling:touch}#customize-control-header_image .current{margin-bottom:8px}#customize-control-header_image .uploaded{margin-bottom:18px}#customize-control-header_image .default button:not(.random),#customize-control-header_image .uploaded button:not(.random){width:100%;padding:0;margin:0;background:0 0;border:0;color:inherit;cursor:pointer}#customize-control-header_image button img{display:block}#customize-control-header_image button.new,#customize-control-header_image button.remove{white-space:normal;width:48%;height:auto}#customize-control-header_image .current .container{overflow:hidden;border:1px solid #eee;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .placeholder{width:100%;position:relative;text-align:center;cursor:default}#customize-control-header_image .inner{display:none;position:absolute;width:100%;color:#555;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}#customize-control-header_image .inner,#customize-control-header_image .inner .dashicons{line-height:20px;top:10px}#customize-control-header_image .list .inner,#customize-control-header_image .list .inner .dashicons{top:9px}#customize-control-header_image .header-view{position:relative;width:100%;margin-bottom:5px}#customize-control-header_image .header-view:last-child{margin-bottom:0}#customize-control-header_image .header-view:after{border:0}#customize-control-header_image .header-view.selected:after{content:'';position:absolute;height:auto;top:0;right:0;bottom:0;left:0;border:4px solid #2ea2cc;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .header-view.button.selected{border:0}#customize-control-header_image .uploaded .header-view .close{font-size:2em;color:grey;position:absolute;visibility:hidden;top:10px;left:10px;z-index:1;width:20px;height:20px;cursor:pointer}#customize-control-header_image .uploaded .header-view .close:hover{color:#000;text-shadow:-1px -1px 0 #fff,1px -1px 0 #fff,-1px 1px 0 #fff,1px 1px 0 #fff}#customize-control-header_image .header-view:hover .close{visibility:visible}#customize-control-header_image .random.placeholder{cursor:pointer;-webkit-border-radius:2px;border-radius:2px;height:40px}#customize-control-header_image button.random{width:100%;height:auto;min-height:40px;white-space:normal}#customize-control-header_image button.random .dice{margin-top:4px}#customize-control-header_image .header-view:hover>button.random .dice,#customize-control-header_image .placeholder:hover .dice{-webkit-animation:dice-color-change 3s infinite;-ms-animation:dice-color-change 3s infinite;animation:dice-color-change 3s infinite}@-webkit-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@-ms-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}#customize-control-header_image .actions{margin-bottom:32px}#customize-control-header_image .choice{position:relative;display:block;margin-bottom:9px}#customize-control-header_image .uploaded div:last-child>.choice{margin-bottom:0}#customize-control-header_image img{width:100%;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .remove{float:right;margin-left:3px}#customize-control-header_image .new{float:left}body.cheatin{font-size:medium;height:auto;background:#fff;margin:50px auto 2em;padding:1em 2em;max-width:700px;min-width:0;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.13);box-shadow:0 1px 3px rgba(0,0,0,.13)}body.cheatin p{font-size:14px;line-height:1.5;margin:25px 0 20px}
\ No newline at end of file
diff --git a/wp-admin/css/customize-controls.css b/wp-admin/css/customize-controls.css
index a3ffbdf9c5..3be5c89ba9 100644
--- a/wp-admin/css/customize-controls.css
+++ b/wp-admin/css/customize-controls.css
@@ -275,6 +275,10 @@ body {
 	line-height: 24px;
 }
 
+p.customize-section-description {
+	font-style: normal;
+}
+
 .customize-control {
 	width: 100%;
 	float: left;
@@ -314,6 +318,13 @@ body {
 	margin-bottom: 5px;
 }
 
+.customize-control-description {
+	display: block;
+	font-style: italic;
+	line-height: 18px;
+	margin-bottom: 5px;
+}
+
 .customize-control-color .color-picker,
 .customize-control-checkbox label,
 .customize-control-upload div {
@@ -333,6 +344,10 @@ body {
 	line-height: 22px;
 }
 
+.customize-control-radio .customize-control-title + .customize-control-description {
+	margin-top: 7px;
+}
+
 .customize-control-radio label {
 	line-height: 32px;
 }
diff --git a/wp-admin/css/customize-controls.min.css b/wp-admin/css/customize-controls.min.css
index 5008fff2f1..4cc4a28bf2 100644
--- a/wp-admin/css/customize-controls.min.css
+++ b/wp-admin/css/customize-controls.min.css
@@ -1 +1 @@
-body{overflow:hidden}#customize-controls a{text-decoration:none}#customize-controls h3{font-size:14px}#customize-controls .submit{text-align:center}#customize-controls .description{color:#666}#customize-header-actions .button-primary{float:right;margin-top:9px}#customize-header-actions .spinner{margin-top:16px;margin-right:4px}.saving #customize-header-actions .spinner{display:block}#customize-controls .wp-full-overlay-sidebar-content{overflow-y:auto;overflow-x:hidden}#customize-info{border:0;border-top:1px solid #ddd}#customize-info .accordion-section-title{background-color:#fff;color:#666;border-left:0;border-right:0;border-bottom:1px solid #eee}#customize-info .accordion-section-title:focus,#customize-info .accordion-section-title:focus:after,#customize-info .accordion-section-title:hover,#customize-info .accordion-section-title:hover:after,#customize-info.open .accordion-section-title,#customize-info.open .accordion-section-title:after{color:#555}#customize-info.open .accordion-section-title{border-color:transparent}#customize-info .preview-notice{font-size:13px;line-height:24px}#customize-info .theme-name{font-size:20px;font-weight:200;line-height:24px;display:block}#customize-info .theme-screenshot{width:258px}#customize-info .theme-description{margin-top:1em;color:#666;line-height:20px}#customize-theme-controls .control-section{border:0}#customize-theme-controls .accordion-section-title{color:#555;background-color:#fff;border-bottom:1px solid #eee}#customize-theme-controls .accordion-section-content{color:#555;background:#fff}#customize-theme-controls .control-section .accordion-section-title:focus,#customize-theme-controls .control-section .accordion-section-title:hover,#customize-theme-controls .control-section.open .accordion-section-title,#customize-theme-controls .control-section:hover>.accordion-section-title{color:#555;background:#f5f5f5}.js .control-section .accordion-section-title:focus,.js .control-section .accordion-section-title:hover,.js .control-section.open .accordion-section-title,.js .control-section:hover .accordion-section-title{background:#f5f5f5}#customize-theme-controls .control-section .accordion-section-title:focus::after,#customize-theme-controls .control-section .accordion-section-title:hover::after,#customize-theme-controls .control-section.open .accordion-section-title::after,#customize-theme-controls .control-section:hover>.accordion-section-title::after{color:#555}#customize-theme-controls .control-section.open{border-bottom:1px solid #eee}#customize-theme-controls .control-section.open .accordion-section-title{border-bottom-color:#eee!important}#customize-theme-controls .control-section:last-of-type .accordion-section-title,#customize-theme-controls .control-section:last-of-type.open{border-bottom-color:#ddd}#customize-theme-controls .accordion-section-content,#customize-theme-controls>ul{margin:0}.control-section.control-panel>.accordion-section-title:after{content:"\f139"}.accordion-sub-container.control-panel-content{display:none;position:absolute;left:300px;top:0;width:300px;border-top:1px solid #ddd;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.accordion-sub-container.control-panel-content.animating{display:block}.current-panel .accordion-sub-container.control-panel-content{width:100%}.control-panel-back{display:block;position:fixed;top:0;z-index:99;left:-48px;width:45px;height:45px;padding-right:2px;background:#eee;border-right:1px solid #ddd;cursor:pointer;-webkit-transition:left ease-in-out .18s,color ease-in .1s;transition:left ease-in-out .18s,color ease-in .1s}.collapsed .control-panel-back{display:none}.control-panel-back:focus,.control-panel-back:hover{background-color:#0074a2;color:#fff;outline:0}.control-panel-back:before{font:400 29px/1 dashicons;content:"\f340";position:relative;top:9px;left:9px}.current-panel .control-panel-back{left:0}.current-panel>.accordion-section-title{height:22px}#customize-header-actions a.back{position:relative;left:0;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.in-sub-panel #customize-header-actions a.back{left:-120px}.wp-full-overlay-sidebar .wp-full-overlay-header{-webkit-transition:padding ease-in-out .18s;transition:padding ease-in-out .18s}.in-sub-panel .wp-full-overlay-sidebar .wp-full-overlay-header{padding-left:62px}#customize-info,#customize-theme-controls>ul>.accordion-section{position:relative;left:0;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.in-sub-panel #customize-info,.in-sub-panel #customize-theme-controls>ul>.accordion-section{left:-300px;width:300px}.in-sub-panel #customize-theme-controls .accordion-section.current-panel{width:100%}#customize-theme-controls .control-section.current-panel{padding:0}#customize-theme-controls .control-section>h3.accordion-section-title{position:relative;left:0}#customize-theme-controls .control-section.current-panel>h3.accordion-section-title{left:-300px;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.control-section.control-panel .accordion-section-title .panel-title{font-size:20px;font-weight:200;line-height:24px;display:block;border:0}.control-section.control-panel .preview-notice{font-size:13px;line-height:24px}.customize-control{width:100%;float:left;clear:both;margin-bottom:8px}.customize-control input[type=checkbox],.customize-control input[type=radio],.customize-control input[type=text],.customize-control select{line-height:28px}.customize-control input[type=text]{width:98%;line-height:18px;margin:0}.customize-control select{min-width:50%;max-width:100%;height:28px;line-height:28px}.customize-control select[multiple]{height:auto}.customize-control-title{display:block;font-size:14px;line-height:24px;font-weight:600;margin-bottom:5px}.customize-control-checkbox label,.customize-control-color .color-picker,.customize-control-upload div{line-height:28px}.customize-control-checkbox input{margin-right:5px}.customize-control-radio{padding:5px 0 10px}.customize-control-radio .customize-control-title{margin-bottom:0;line-height:22px}.customize-control-radio label{line-height:32px}.customize-control-radio input{margin-right:5px}#customize-preview iframe{width:100%;height:100%}.wp-full-overlay-sidebar{background:#eee;border-right:1px solid #ddd}.collapse-sidebar{background-color:transparent!important;border:0!important;-webkit-box-shadow:none!important;box-shadow:none!important;-webkit-border-radius:0!important;border-radius:0!important}.collapse-sidebar:active,.collapse-sidebar:active .collapse-sidebar-arrow:before,.collapse-sidebar:active .collapse-sidebar-label{text-shadow:none}.collapsed .collapse-sidebar-arrow:before{color:#888}.accordion-section .dropdown{float:left;display:block;position:relative;cursor:pointer}.accordion-section .dropdown-content{overflow:hidden;float:left;min-width:30px;height:16px;line-height:16px;margin-right:16px;padding:4px 5px;border:2px solid #eee;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.customize-control .dropdown-arrow{position:absolute;top:0;bottom:0;right:0;width:20px;background:#eee}.customize-control .dropdown-arrow:after{content:"\f140";font:400 20px/1 dashicons;speak:none;display:block;padding:0;text-indent:0;text-align:center;position:relative;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important;color:#333}.customize-control .dropdown-status{color:#333;background:#eee;display:none;max-width:112px}.customize-control-color .color-picker-hex{display:none}.customize-control-color.open .color-picker-hex{display:block}.customize-control-color .dropdown{margin-right:5px;margin-bottom:5px}.customize-control-color .dropdown .dropdown-content{background-color:#555;border:1px solid rgba(0,0,0,.15)}.customize-control-color .dropdown:hover .dropdown-content{border-color:rgba(0,0,0,.25)}.customize-control-image .actions,.customize-control-image .library{display:none;float:left;width:100%}.customize-control-image.open .actions,.customize-control-image.open .library{display:block}.accordion-section .customize-control-image .dropdown-content{height:auto;min-height:24px;min-width:40px;padding:0}.accordion-section .customize-control-image .dropdown-status{padding:4px 5px}.accordion-section .customize-control-image .preview-thumbnail img{display:block;width:100%;max-width:122px;max-height:98px;margin:0 auto}.accordion-section .customize-control-image .actions{text-align:right}.accordion-section .customize-control-image .library ul{border-bottom:1px solid #ddd;float:left;width:100%;margin:10px 0 0}.accordion-section .customize-control-image .library li{color:#ccc;float:left;padding:3px 15px;margin:0;border:1px solid transparent}.accordion-section .customize-control-image .library li.library-selected{margin-bottom:-1px;padding-bottom:4px;color:#666;border-color:#ddd;border-bottom-color:#fff}.accordion-section .customize-control-image .library .thumbnail{display:block;width:100%}.accordion-section .customize-control-image .library .thumbnail img{display:block;max-width:90%;max-height:80px;margin:5px auto;padding:2px;background:#666}.accordion-section .customize-control-image .library .thumbnail:hover img{background-color:#2ea2cc}.accordion-section .customize-control-image .library-content{display:none;width:100%;float:left;padding:10px 0}.accordion-section .customize-control-image .library-content.library-selected{display:block}.accordion-section .customize-control-image .upload-fallback,.accordion-section .customize-control-upload .upload-fallback{display:none}.accordion-section .customize-control-image .upload-dropzone,.accordion-section .customize-control-upload .upload-dropzone{display:none;padding:15px 10px;border:3px dashed #dfdfdf;margin:5px auto;text-align:center;position:relative;cursor:default}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop{display:block;-webkit-transition:border-color .1s;transition:border-color .1s}.accordion-section .customize-control-image .library ul li,.accordion-section .customize-control-upload .library ul li{cursor:pointer}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop.drag-over,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop.drag-over{border-color:#83b4d8}.ios #customize-preview,.ios .wp-full-overlay{position:relative}.ios #customize-controls .wp-full-overlay-sidebar-content{-webkit-overflow-scrolling:touch}#customize-control-header_image .current{margin-bottom:8px}#customize-control-header_image .uploaded{margin-bottom:18px}#customize-control-header_image .default button:not(.random),#customize-control-header_image .uploaded button:not(.random){width:100%;padding:0;margin:0;background:0 0;border:0;color:inherit;cursor:pointer}#customize-control-header_image button img{display:block}#customize-control-header_image button.new,#customize-control-header_image button.remove{white-space:normal;width:48%;height:auto}#customize-control-header_image .current .container{overflow:hidden;border:1px solid #eee;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .placeholder{width:100%;position:relative;text-align:center;cursor:default}#customize-control-header_image .inner{display:none;position:absolute;width:100%;color:#555;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}#customize-control-header_image .inner,#customize-control-header_image .inner .dashicons{line-height:20px;top:10px}#customize-control-header_image .list .inner,#customize-control-header_image .list .inner .dashicons{top:9px}#customize-control-header_image .header-view{position:relative;width:100%;margin-bottom:5px}#customize-control-header_image .header-view:last-child{margin-bottom:0}#customize-control-header_image .header-view:after{border:0}#customize-control-header_image .header-view.selected:after{content:'';position:absolute;height:auto;top:0;left:0;bottom:0;right:0;border:4px solid #2ea2cc;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .header-view.button.selected{border:0}#customize-control-header_image .uploaded .header-view .close{font-size:2em;color:grey;position:absolute;visibility:hidden;top:10px;right:10px;z-index:1;width:20px;height:20px;cursor:pointer}#customize-control-header_image .uploaded .header-view .close:hover{color:#000;text-shadow:-1px -1px 0 #fff,1px -1px 0 #fff,-1px 1px 0 #fff,1px 1px 0 #fff}#customize-control-header_image .header-view:hover .close{visibility:visible}#customize-control-header_image .random.placeholder{cursor:pointer;-webkit-border-radius:2px;border-radius:2px;height:40px}#customize-control-header_image button.random{width:100%;height:auto;min-height:40px;white-space:normal}#customize-control-header_image button.random .dice{margin-top:4px}#customize-control-header_image .header-view:hover>button.random .dice,#customize-control-header_image .placeholder:hover .dice{-webkit-animation:dice-color-change 3s infinite;-ms-animation:dice-color-change 3s infinite;animation:dice-color-change 3s infinite}@-webkit-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@-ms-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}#customize-control-header_image .actions{margin-bottom:32px}#customize-control-header_image .choice{position:relative;display:block;margin-bottom:9px}#customize-control-header_image .uploaded div:last-child>.choice{margin-bottom:0}#customize-control-header_image img{width:100%;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .remove{float:left;margin-right:3px}#customize-control-header_image .new{float:right}body.cheatin{font-size:medium;height:auto;background:#fff;margin:50px auto 2em;padding:1em 2em;max-width:700px;min-width:0;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.13);box-shadow:0 1px 3px rgba(0,0,0,.13)}body.cheatin p{font-size:14px;line-height:1.5;margin:25px 0 20px}
\ No newline at end of file
+body{overflow:hidden}#customize-controls a{text-decoration:none}#customize-controls h3{font-size:14px}#customize-controls .submit{text-align:center}#customize-controls .description{color:#666}#customize-header-actions .button-primary{float:right;margin-top:9px}#customize-header-actions .spinner{margin-top:16px;margin-right:4px}.saving #customize-header-actions .spinner{display:block}#customize-controls .wp-full-overlay-sidebar-content{overflow-y:auto;overflow-x:hidden}#customize-info{border:0;border-top:1px solid #ddd}#customize-info .accordion-section-title{background-color:#fff;color:#666;border-left:0;border-right:0;border-bottom:1px solid #eee}#customize-info .accordion-section-title:focus,#customize-info .accordion-section-title:focus:after,#customize-info .accordion-section-title:hover,#customize-info .accordion-section-title:hover:after,#customize-info.open .accordion-section-title,#customize-info.open .accordion-section-title:after{color:#555}#customize-info.open .accordion-section-title{border-color:transparent}#customize-info .preview-notice{font-size:13px;line-height:24px}#customize-info .theme-name{font-size:20px;font-weight:200;line-height:24px;display:block}#customize-info .theme-screenshot{width:258px}#customize-info .theme-description{margin-top:1em;color:#666;line-height:20px}#customize-theme-controls .control-section{border:0}#customize-theme-controls .accordion-section-title{color:#555;background-color:#fff;border-bottom:1px solid #eee}#customize-theme-controls .accordion-section-content{color:#555;background:#fff}#customize-theme-controls .control-section .accordion-section-title:focus,#customize-theme-controls .control-section .accordion-section-title:hover,#customize-theme-controls .control-section.open .accordion-section-title,#customize-theme-controls .control-section:hover>.accordion-section-title{color:#555;background:#f5f5f5}.js .control-section .accordion-section-title:focus,.js .control-section .accordion-section-title:hover,.js .control-section.open .accordion-section-title,.js .control-section:hover .accordion-section-title{background:#f5f5f5}#customize-theme-controls .control-section .accordion-section-title:focus::after,#customize-theme-controls .control-section .accordion-section-title:hover::after,#customize-theme-controls .control-section.open .accordion-section-title::after,#customize-theme-controls .control-section:hover>.accordion-section-title::after{color:#555}#customize-theme-controls .control-section.open{border-bottom:1px solid #eee}#customize-theme-controls .control-section.open .accordion-section-title{border-bottom-color:#eee!important}#customize-theme-controls .control-section:last-of-type .accordion-section-title,#customize-theme-controls .control-section:last-of-type.open{border-bottom-color:#ddd}#customize-theme-controls .accordion-section-content,#customize-theme-controls>ul{margin:0}.control-section.control-panel>.accordion-section-title:after{content:"\f139"}.accordion-sub-container.control-panel-content{display:none;position:absolute;left:300px;top:0;width:300px;border-top:1px solid #ddd;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.accordion-sub-container.control-panel-content.animating{display:block}.current-panel .accordion-sub-container.control-panel-content{width:100%}.control-panel-back{display:block;position:fixed;top:0;z-index:99;left:-48px;width:45px;height:45px;padding-right:2px;background:#eee;border-right:1px solid #ddd;cursor:pointer;-webkit-transition:left ease-in-out .18s,color ease-in .1s;transition:left ease-in-out .18s,color ease-in .1s}.collapsed .control-panel-back{display:none}.control-panel-back:focus,.control-panel-back:hover{background-color:#0074a2;color:#fff;outline:0}.control-panel-back:before{font:400 29px/1 dashicons;content:"\f340";position:relative;top:9px;left:9px}.current-panel .control-panel-back{left:0}.current-panel>.accordion-section-title{height:22px}#customize-header-actions a.back{position:relative;left:0;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.in-sub-panel #customize-header-actions a.back{left:-120px}.wp-full-overlay-sidebar .wp-full-overlay-header{-webkit-transition:padding ease-in-out .18s;transition:padding ease-in-out .18s}.in-sub-panel .wp-full-overlay-sidebar .wp-full-overlay-header{padding-left:62px}#customize-info,#customize-theme-controls>ul>.accordion-section{position:relative;left:0;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.in-sub-panel #customize-info,.in-sub-panel #customize-theme-controls>ul>.accordion-section{left:-300px;width:300px}.in-sub-panel #customize-theme-controls .accordion-section.current-panel{width:100%}#customize-theme-controls .control-section.current-panel{padding:0}#customize-theme-controls .control-section>h3.accordion-section-title{position:relative;left:0}#customize-theme-controls .control-section.current-panel>h3.accordion-section-title{left:-300px;-webkit-transition:left ease-in-out .18s;transition:left ease-in-out .18s}.control-section.control-panel .accordion-section-title .panel-title{font-size:20px;font-weight:200;line-height:24px;display:block;border:0}.control-section.control-panel .preview-notice{font-size:13px;line-height:24px}p.customize-section-description{font-style:normal}.customize-control{width:100%;float:left;clear:both;margin-bottom:8px}.customize-control input[type=checkbox],.customize-control input[type=radio],.customize-control input[type=text],.customize-control select{line-height:28px}.customize-control input[type=text]{width:98%;line-height:18px;margin:0}.customize-control select{min-width:50%;max-width:100%;height:28px;line-height:28px}.customize-control select[multiple]{height:auto}.customize-control-title{display:block;font-size:14px;line-height:24px;font-weight:600;margin-bottom:5px}.customize-control-description{display:block;font-style:italic;line-height:18px;margin-bottom:5px}.customize-control-checkbox label,.customize-control-color .color-picker,.customize-control-upload div{line-height:28px}.customize-control-checkbox input{margin-right:5px}.customize-control-radio{padding:5px 0 10px}.customize-control-radio .customize-control-title{margin-bottom:0;line-height:22px}.customize-control-radio .customize-control-title+.customize-control-description{margin-top:7px}.customize-control-radio label{line-height:32px}.customize-control-radio input{margin-right:5px}#customize-preview iframe{width:100%;height:100%}.wp-full-overlay-sidebar{background:#eee;border-right:1px solid #ddd}.collapse-sidebar{background-color:transparent!important;border:0!important;-webkit-box-shadow:none!important;box-shadow:none!important;-webkit-border-radius:0!important;border-radius:0!important}.collapse-sidebar:active,.collapse-sidebar:active .collapse-sidebar-arrow:before,.collapse-sidebar:active .collapse-sidebar-label{text-shadow:none}.collapsed .collapse-sidebar-arrow:before{color:#888}.accordion-section .dropdown{float:left;display:block;position:relative;cursor:pointer}.accordion-section .dropdown-content{overflow:hidden;float:left;min-width:30px;height:16px;line-height:16px;margin-right:16px;padding:4px 5px;border:2px solid #eee;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.customize-control .dropdown-arrow{position:absolute;top:0;bottom:0;right:0;width:20px;background:#eee}.customize-control .dropdown-arrow:after{content:"\f140";font:400 20px/1 dashicons;speak:none;display:block;padding:0;text-indent:0;text-align:center;position:relative;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-decoration:none!important;color:#333}.customize-control .dropdown-status{color:#333;background:#eee;display:none;max-width:112px}.customize-control-color .color-picker-hex{display:none}.customize-control-color.open .color-picker-hex{display:block}.customize-control-color .dropdown{margin-right:5px;margin-bottom:5px}.customize-control-color .dropdown .dropdown-content{background-color:#555;border:1px solid rgba(0,0,0,.15)}.customize-control-color .dropdown:hover .dropdown-content{border-color:rgba(0,0,0,.25)}.customize-control-image .actions,.customize-control-image .library{display:none;float:left;width:100%}.customize-control-image.open .actions,.customize-control-image.open .library{display:block}.accordion-section .customize-control-image .dropdown-content{height:auto;min-height:24px;min-width:40px;padding:0}.accordion-section .customize-control-image .dropdown-status{padding:4px 5px}.accordion-section .customize-control-image .preview-thumbnail img{display:block;width:100%;max-width:122px;max-height:98px;margin:0 auto}.accordion-section .customize-control-image .actions{text-align:right}.accordion-section .customize-control-image .library ul{border-bottom:1px solid #ddd;float:left;width:100%;margin:10px 0 0}.accordion-section .customize-control-image .library li{color:#ccc;float:left;padding:3px 15px;margin:0;border:1px solid transparent}.accordion-section .customize-control-image .library li.library-selected{margin-bottom:-1px;padding-bottom:4px;color:#666;border-color:#ddd;border-bottom-color:#fff}.accordion-section .customize-control-image .library .thumbnail{display:block;width:100%}.accordion-section .customize-control-image .library .thumbnail img{display:block;max-width:90%;max-height:80px;margin:5px auto;padding:2px;background:#666}.accordion-section .customize-control-image .library .thumbnail:hover img{background-color:#2ea2cc}.accordion-section .customize-control-image .library-content{display:none;width:100%;float:left;padding:10px 0}.accordion-section .customize-control-image .library-content.library-selected{display:block}.accordion-section .customize-control-image .upload-fallback,.accordion-section .customize-control-upload .upload-fallback{display:none}.accordion-section .customize-control-image .upload-dropzone,.accordion-section .customize-control-upload .upload-dropzone{display:none;padding:15px 10px;border:3px dashed #dfdfdf;margin:5px auto;text-align:center;position:relative;cursor:default}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop{display:block;-webkit-transition:border-color .1s;transition:border-color .1s}.accordion-section .customize-control-image .library ul li,.accordion-section .customize-control-upload .library ul li{cursor:pointer}.accordion-section .customize-control-image .upload-dropzone.supports-drag-drop.drag-over,.accordion-section .customize-control-upload .upload-dropzone.supports-drag-drop.drag-over{border-color:#83b4d8}.ios #customize-preview,.ios .wp-full-overlay{position:relative}.ios #customize-controls .wp-full-overlay-sidebar-content{-webkit-overflow-scrolling:touch}#customize-control-header_image .current{margin-bottom:8px}#customize-control-header_image .uploaded{margin-bottom:18px}#customize-control-header_image .default button:not(.random),#customize-control-header_image .uploaded button:not(.random){width:100%;padding:0;margin:0;background:0 0;border:0;color:inherit;cursor:pointer}#customize-control-header_image button img{display:block}#customize-control-header_image button.new,#customize-control-header_image button.remove{white-space:normal;width:48%;height:auto}#customize-control-header_image .current .container{overflow:hidden;border:1px solid #eee;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .placeholder{width:100%;position:relative;text-align:center;cursor:default}#customize-control-header_image .inner{display:none;position:absolute;width:100%;color:#555;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}#customize-control-header_image .inner,#customize-control-header_image .inner .dashicons{line-height:20px;top:10px}#customize-control-header_image .list .inner,#customize-control-header_image .list .inner .dashicons{top:9px}#customize-control-header_image .header-view{position:relative;width:100%;margin-bottom:5px}#customize-control-header_image .header-view:last-child{margin-bottom:0}#customize-control-header_image .header-view:after{border:0}#customize-control-header_image .header-view.selected:after{content:'';position:absolute;height:auto;top:0;left:0;bottom:0;right:0;border:4px solid #2ea2cc;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .header-view.button.selected{border:0}#customize-control-header_image .uploaded .header-view .close{font-size:2em;color:grey;position:absolute;visibility:hidden;top:10px;right:10px;z-index:1;width:20px;height:20px;cursor:pointer}#customize-control-header_image .uploaded .header-view .close:hover{color:#000;text-shadow:-1px -1px 0 #fff,1px -1px 0 #fff,-1px 1px 0 #fff,1px 1px 0 #fff}#customize-control-header_image .header-view:hover .close{visibility:visible}#customize-control-header_image .random.placeholder{cursor:pointer;-webkit-border-radius:2px;border-radius:2px;height:40px}#customize-control-header_image button.random{width:100%;height:auto;min-height:40px;white-space:normal}#customize-control-header_image button.random .dice{margin-top:4px}#customize-control-header_image .header-view:hover>button.random .dice,#customize-control-header_image .placeholder:hover .dice{-webkit-animation:dice-color-change 3s infinite;-ms-animation:dice-color-change 3s infinite;animation:dice-color-change 3s infinite}@-webkit-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@-ms-keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}@keyframes dice-color-change{0%{color:#d4b146}50%{color:#ef54b0}75%{color:#7190d3}100%{color:#d4b146}}#customize-control-header_image .actions{margin-bottom:32px}#customize-control-header_image .choice{position:relative;display:block;margin-bottom:9px}#customize-control-header_image .uploaded div:last-child>.choice{margin-bottom:0}#customize-control-header_image img{width:100%;-webkit-border-radius:2px;border-radius:2px}#customize-control-header_image .remove{float:left;margin-right:3px}#customize-control-header_image .new{float:right}body.cheatin{font-size:medium;height:auto;background:#fff;margin:50px auto 2em;padding:1em 2em;max-width:700px;min-width:0;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.13);box-shadow:0 1px 3px rgba(0,0,0,.13)}body.cheatin p{font-size:14px;line-height:1.5;margin:25px 0 20px}
\ No newline at end of file
diff --git a/wp-includes/class-wp-customize-control.php b/wp-includes/class-wp-customize-control.php
index 7506a500df..8e1f1c732a 100644
--- a/wp-includes/class-wp-customize-control.php
+++ b/wp-includes/class-wp-customize-control.php
@@ -53,6 +53,12 @@ class WP_Customize_Control {
 	 */
 	public $label = '';
 
+	/**
+	 * @access public
+	 * @var string
+	 */
+	public $description = '';
+
 	/**
 	 * @todo: Remove choices
 	 *
@@ -258,7 +264,12 @@ class WP_Customize_Control {
 			case 'text':
 				?>
 				<label>
-					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+					<?php if ( ! empty( $this->label ) ) : ?>
+						<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+					<?php endif;
+					if ( ! empty( $this->description ) ) : ?>
+						<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+					<?php endif; ?>
 					<input type="text" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
 				</label>
 				<?php
@@ -268,6 +279,9 @@ class WP_Customize_Control {
 				<label>
 					<input type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); checked( $this->value() ); ?> />
 					<?php echo esc_html( $this->label ); ?>
+					<?php if ( ! empty( $this->description ) ) : ?>
+						<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+					<?php endif; ?>
 				</label>
 				<?php
 				break;
@@ -277,9 +291,13 @@ class WP_Customize_Control {
 
 				$name = '_customize-radio-' . $this->id;
 
-				?>
-				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
-				<?php
+				if ( ! empty( $this->label ) ) : ?>
+					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+				<?php endif;
+				if ( ! empty( $this->description ) ) : ?>
+					<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+				<?php endif;
+
 				foreach ( $this->choices as $value => $label ) :
 					?>
 					<label>
@@ -295,7 +313,13 @@ class WP_Customize_Control {
 
 				?>
 				<label>
-					<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+					<?php if ( ! empty( $this->label ) ) : ?>
+						<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+					<?php endif;
+					if ( ! empty( $this->description ) ) : ?>
+						<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+					<?php endif; ?>
+
 					<select <?php $this->link(); ?>>
 						<?php
 						foreach ( $this->choices as $value => $label )
@@ -401,7 +425,13 @@ class WP_Customize_Color_Control extends WP_Customize_Control {
 		// The input's value gets set by JS. Don't fill it.
 		?>
 		<label>
-			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php if ( ! empty( $this->label ) ) : ?>
+				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php endif;
+			if ( ! empty( $this->description ) ) : ?>
+				<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+			<?php endif; ?>
+
 			<div class="customize-control-content">
 				<input class="color-picker-hex" type="text" maxlength="7" placeholder="<?php esc_attr_e( 'Hex Value' ); ?>"<?php echo $default_attr; ?> />
 			</div>
@@ -458,7 +488,12 @@ class WP_Customize_Upload_Control extends WP_Customize_Control {
 	public function render_content() {
 		?>
 		<label>
-			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php if ( ! empty( $this->label ) ) : ?>
+				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php endif;
+			if ( ! empty( $this->description ) ) : ?>
+				<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+			<?php endif; ?>
 			<div>
 				<a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>
 				<a href="#" class="remove"><?php _e( 'Remove' ); ?></a>
@@ -540,7 +575,12 @@ class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
 
 		?>
 		<div class="customize-image-picker">
-			<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php if ( ! empty( $this->label ) ) : ?>
+				<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
+			<?php endif;
+			if ( ! empty( $this->description ) ) : ?>
+				<span class="description customize-control-description"><?php echo esc_html( $this->description ); ?></span>
+			<?php endif; ?>
 
 			<div class="customize-control-content">
 				<div class="dropdown preview-thumbnail" tabindex="0">
diff --git a/wp-includes/class-wp-customize-section.php b/wp-includes/class-wp-customize-section.php
index 1082647ac9..2a61603d8f 100644
--- a/wp-includes/class-wp-customize-section.php
+++ b/wp-includes/class-wp-customize-section.php
@@ -180,7 +180,7 @@ class WP_Customize_Section {
 			<h3 class="accordion-section-title" tabindex="0"><?php echo esc_html( $this->title ); ?></h3>
 			<ul class="accordion-section-content">
 				<?php if ( ! empty( $this->description ) ) : ?>
-				<li><p class="description"><?php echo $this->description; ?></p></li>
+				<li><p class="description customize-section-description"><?php echo $this->description; ?></p></li>
 				<?php endif; ?>
 				<?php
 				foreach ( $this->controls as $control )