diff --git a/wp-includes/js/customize-preview.js b/wp-includes/js/customize-preview.js
index 8d1d759be9..39ac5f4be1 100644
--- a/wp-includes/js/customize-preview.js
+++ b/wp-includes/js/customize-preview.js
@@ -256,12 +256,14 @@
 			} );
 
 			$( '.custom-logo-link' ).show();
+			$( 'body' ).addClass( 'wp-custom-logo' );
 		} );
 
 		api( 'custom_logo', function( setting ) {
 			setting.bind( function( newValue ) {
 				if ( ! newValue ) {
 					$( '.custom-logo-link' ).hide();
+					$( 'body' ).removeClass( 'wp-custom-logo' );
 				}
 			} );
 
diff --git a/wp-includes/js/customize-preview.min.js b/wp-includes/js/customize-preview.min.js
index 760baa38cb..eeeb16e3f7 100644
--- a/wp-includes/js/customize-preview.min.js
+++ b/wp-includes/js/customize-preview.min.js
@@ -1 +1 @@
-!function(a,b){var c,d=wp.customize;c=function(a,b,c){var d;return function(){var e=arguments;c=c||this,clearTimeout(d),d=setTimeout(function(){d=null,a.apply(c,e)},b)}},d.Preview=d.Messenger.extend({initialize:function(a,e){var f=this;d.Messenger.prototype.initialize.call(this,a,e),this.body=b(document.body),this.body.on("click.preview","a",function(a){var c,d;c=b(this),d="#"===c.attr("href").substr(0,1),a.preventDefault(),d&&"#"!==c.attr("href")&&b(c.attr("href")).each(function(){this.scrollIntoView()}),a.shiftKey||d||(f.send("scroll",0),f.send("url",c.prop("href")))}),this.body.on("submit.preview","form",function(a){a.preventDefault()}),this.window=b(window),this.window.on("scroll.preview",c(function(){f.send("scroll",f.window.scrollTop())},200)),this.bind("scroll",function(a){f.window.scrollTop(a)})}}),b(function(){var a,c;d.settings=window._wpCustomizeSettings,d.settings&&(d.preview=new d.Preview({url:window.location.href,channel:d.settings.channel}),c=function(a,b,c){var e=d(a);e?e.set(b):(c=c||!1,e=d.create(a,b,{id:a}),c&&(e._dirty=!0))},d.preview.bind("settings",function(a){b.each(a,c)}),d.preview.trigger("settings",d.settings.values),b.each(d.settings._dirty,function(a,b){var c=d(b);c&&(c._dirty=!0)}),d.preview.bind("setting",function(a){var b=!0;c.apply(null,a.concat(b))}),d.preview.bind("sync",function(a){b.each(a,function(a,b){d.preview.trigger(a,b)}),d.preview.send("synced")}),d.preview.bind("active",function(){d.preview.send("nonce",d.settings.nonce),d.preview.send("documentTitle",document.title)}),d.preview.bind("saved",function(a){d.trigger("saved",a)}),d.bind("saved",function(){d.each(function(a){a._dirty=!1})}),d.preview.bind("nonce-refresh",function(a){b.extend(d.settings.nonce,a)}),d.preview.send("ready",{activePanels:d.settings.activePanels,activeSections:d.settings.activeSections,activeControls:d.settings.activeControls}),d.preview.bind("loading-initiated",function(){b("body").addClass("wp-customizer-unloading")}),d.preview.bind("loading-failed",function(){b("body").removeClass("wp-customizer-unloading")}),a=b.map(["color","image","position_x","repeat","attachment"],function(a){return"background_"+a}),d.when.apply(d,a).done(function(a,c,d,e,f){var g,h=b(document.body),i=b("head"),j=b("#custom-background-css");g=function(){var g="";h.toggleClass("custom-background",!(!a()&&!c())),a()&&(g+="background-color: "+a()+";"),c()&&(g+='background-image: url("'+c()+'");',g+="background-position: top "+d()+";",g+="background-repeat: "+e()+";",g+="background-attachment: "+f()+";"),j.remove(),j=b('<style type="text/css" id="custom-background-css">body.custom-background { '+g+" }</style>").appendTo(i)},b.each(arguments,function(){this.bind(g)})}),d.preview.bind("custom_logo-attachment-data",function(a){var c=b(".custom-logo"),d=c.data("size"),e=[];a.sizes[d]||(d="full"),_.each(a.sizes,function(a){e.push(a.url+" "+a.width+"w")}),c.attr({height:a.sizes[d].height,width:a.sizes[d].width,src:a.sizes[d].url,srcset:e}),b(".custom-logo-link").show()}),d("custom_logo",function(a){a.bind(function(a){a||b(".custom-logo-link").hide()}),d.selectiveRefresh&&d.selectiveRefresh.partial.has("custom_logo")||(b(document.body).on("click",".custom-logo-link",function(a){a.shiftKey&&d.preview.send("focus-control-for-setting","custom_logo")}),b(".custom-logo-link").attr("title",d.settings.l10n.shiftClickToEdit))}),d.trigger("preview-ready"))})}(wp,jQuery);
\ No newline at end of file
+!function(a,b){var c,d=wp.customize;c=function(a,b,c){var d;return function(){var e=arguments;c=c||this,clearTimeout(d),d=setTimeout(function(){d=null,a.apply(c,e)},b)}},d.Preview=d.Messenger.extend({initialize:function(a,e){var f=this;d.Messenger.prototype.initialize.call(this,a,e),this.body=b(document.body),this.body.on("click.preview","a",function(a){var c,d;c=b(this),d="#"===c.attr("href").substr(0,1),a.preventDefault(),d&&"#"!==c.attr("href")&&b(c.attr("href")).each(function(){this.scrollIntoView()}),a.shiftKey||d||(f.send("scroll",0),f.send("url",c.prop("href")))}),this.body.on("submit.preview","form",function(a){a.preventDefault()}),this.window=b(window),this.window.on("scroll.preview",c(function(){f.send("scroll",f.window.scrollTop())},200)),this.bind("scroll",function(a){f.window.scrollTop(a)})}}),b(function(){var a,c;d.settings=window._wpCustomizeSettings,d.settings&&(d.preview=new d.Preview({url:window.location.href,channel:d.settings.channel}),c=function(a,b,c){var e=d(a);e?e.set(b):(c=c||!1,e=d.create(a,b,{id:a}),c&&(e._dirty=!0))},d.preview.bind("settings",function(a){b.each(a,c)}),d.preview.trigger("settings",d.settings.values),b.each(d.settings._dirty,function(a,b){var c=d(b);c&&(c._dirty=!0)}),d.preview.bind("setting",function(a){var b=!0;c.apply(null,a.concat(b))}),d.preview.bind("sync",function(a){b.each(a,function(a,b){d.preview.trigger(a,b)}),d.preview.send("synced")}),d.preview.bind("active",function(){d.preview.send("nonce",d.settings.nonce),d.preview.send("documentTitle",document.title)}),d.preview.bind("saved",function(a){d.trigger("saved",a)}),d.bind("saved",function(){d.each(function(a){a._dirty=!1})}),d.preview.bind("nonce-refresh",function(a){b.extend(d.settings.nonce,a)}),d.preview.send("ready",{activePanels:d.settings.activePanels,activeSections:d.settings.activeSections,activeControls:d.settings.activeControls}),d.preview.bind("loading-initiated",function(){b("body").addClass("wp-customizer-unloading")}),d.preview.bind("loading-failed",function(){b("body").removeClass("wp-customizer-unloading")}),a=b.map(["color","image","position_x","repeat","attachment"],function(a){return"background_"+a}),d.when.apply(d,a).done(function(a,c,d,e,f){var g,h=b(document.body),i=b("head"),j=b("#custom-background-css");g=function(){var g="";h.toggleClass("custom-background",!(!a()&&!c())),a()&&(g+="background-color: "+a()+";"),c()&&(g+='background-image: url("'+c()+'");',g+="background-position: top "+d()+";",g+="background-repeat: "+e()+";",g+="background-attachment: "+f()+";"),j.remove(),j=b('<style type="text/css" id="custom-background-css">body.custom-background { '+g+" }</style>").appendTo(i)},b.each(arguments,function(){this.bind(g)})}),d.preview.bind("custom_logo-attachment-data",function(a){var c=b(".custom-logo"),d=c.data("size"),e=[];a.sizes[d]||(d="full"),_.each(a.sizes,function(a){e.push(a.url+" "+a.width+"w")}),c.attr({height:a.sizes[d].height,width:a.sizes[d].width,src:a.sizes[d].url,srcset:e}),b(".custom-logo-link").show(),b("body").addClass("wp-custom-logo")}),d("custom_logo",function(a){a.bind(function(a){a||(b(".custom-logo-link").hide(),b("body").removeClass("wp-custom-logo"))}),d.selectiveRefresh&&d.selectiveRefresh.partial.has("custom_logo")||(b(document.body).on("click",".custom-logo-link",function(a){a.shiftKey&&d.preview.send("focus-control-for-setting","custom_logo")}),b(".custom-logo-link").attr("title",d.settings.l10n.shiftClickToEdit))}),d.trigger("preview-ready"))})}(wp,jQuery);
\ No newline at end of file
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index c162ca1c6d..3f5fdc8c27 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -706,6 +706,10 @@ function get_body_class( $class = '' ) {
 	if ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() )
 		$classes[] = 'custom-background';
 
+	if ( has_custom_logo() ) {
+		$classes[] = 'wp-custom-logo';
+	}
+
 	$page = $wp_query->get( 'page' );
 
 	if ( ! $page || $page < 2 )
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4344f495d7..0491415af8 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-beta2-36902';
+$wp_version = '4.5-beta2-36903';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.