diff --git a/app/assets/stylesheets/common/admin/admin_base.scss b/app/assets/stylesheets/common/admin/admin_base.scss
index d4fd7e823c0..4fb3d28771f 100644
--- a/app/assets/stylesheets/common/admin/admin_base.scss
+++ b/app/assets/stylesheets/common/admin/admin_base.scss
@@ -194,7 +194,7 @@ $mobile-breakpoint: 700px;
   .location-box {
     position: absolute;
     width: 460px;
-    right: 0px;
+    right: 0;
     z-index: z("dropdown");
     box-shadow: 0 2px 6px rgba(0,0,0, .8);
     margin-top: -2px;
@@ -518,7 +518,7 @@ $mobile-breakpoint: 700px;
 
       li.sortable-placeholder {
         padding: 3px 5px 3px 18px;
-        margin: 3px 0px 3px 5px;
+        margin: 3px 0 3px 5px;
         position: relative;
         line-height: $line-height-small;
         cursor: default;
diff --git a/app/assets/stylesheets/common/base/_topic-list.scss b/app/assets/stylesheets/common/base/_topic-list.scss
index 1dda299da24..b35977b652a 100644
--- a/app/assets/stylesheets/common/base/_topic-list.scss
+++ b/app/assets/stylesheets/common/base/_topic-list.scss
@@ -68,14 +68,14 @@
     td {
       border-bottom: 1px solid $danger-low;
       line-height: 0.1em;
-      padding: 0px;
+      padding: 0;
       text-align: center;
     }
 
     td span {
       background-color: $secondary;
       color: $danger-low;
-      padding: 0px 8px;
+      padding: 0 8px;
       font-size: $font-down-1;
     }
   }
diff --git a/app/assets/stylesheets/common/base/crawler_layout.scss b/app/assets/stylesheets/common/base/crawler_layout.scss
index 88d94164627..615d5b080ff 100644
--- a/app/assets/stylesheets/common/base/crawler_layout.scss
+++ b/app/assets/stylesheets/common/base/crawler_layout.scss
@@ -9,10 +9,10 @@ body.crawler {
     box-shadow: 0 2px 4px -1px rgba(0,0,0,0.25);
   }
   div.topic-list div[itemprop='itemListElement'] {
-    padding: 10px 0px;
+    padding: 10px 0;
     border-bottom: 1px solid #e9e9e9;
     .page-links a {
-      padding: 0px 4px;
+      padding: 0 4px;
     }
   }
   div#main-outlet {
@@ -23,7 +23,7 @@ body.crawler {
     }
   }
   footer nav {
-    margin: 50px 0px;
+    margin: 50px 0;
     a {
       padding: 15px;
     }
diff --git a/app/assets/stylesheets/common/base/discourse.scss b/app/assets/stylesheets/common/base/discourse.scss
index 6e9d7c29b05..c40557d8555 100644
--- a/app/assets/stylesheets/common/base/discourse.scss
+++ b/app/assets/stylesheets/common/base/discourse.scss
@@ -197,7 +197,7 @@ input {
     border-radius: 0;
     &:focus {
       border-color: $tertiary;
-      box-shadow: $tertiary 0px 0px 6px 0px;
+      box-shadow: $tertiary 0 0 6px 0px;
       outline: 0;
     }
   }
@@ -209,7 +209,7 @@ textarea {
   border: 1px solid $primary-medium;
   &:focus {
     border-color: $tertiary;
-    box-shadow: $tertiary 0px 0px 6px 0px;
+    box-shadow: $tertiary 0 0 6px 0px;
     outline: 0;
   }
 }
diff --git a/app/assets/stylesheets/common/base/emoji.scss b/app/assets/stylesheets/common/base/emoji.scss
index 9c14fdc753e..f1a18dd5564 100644
--- a/app/assets/stylesheets/common/base/emoji.scss
+++ b/app/assets/stylesheets/common/base/emoji.scss
@@ -54,7 +54,7 @@ img.emoji {
 .emoji-picker .list {
   overflow-y: scroll;
   -webkit-overflow-scrolling: touch;
-  padding: 0px;
+  padding: 0;
   flex: 1;
   flex-direction: column;
 }
@@ -100,7 +100,6 @@ img.emoji {
 
 .emoji-picker .info {
   text-overflow: ellipsis;
-  max-width: 232px;
   padding-left: 8px;
   white-space: nowrap;
   overflow: hidden;
@@ -155,8 +154,6 @@ img.emoji {
   -moz-box-sizing: content-box;
   box-sizing: content-box;
   height: 20px;
-  margin: 0;
-  padding: 0;
   border: 0;
   vertical-align: top;
   width: 20px;
diff --git a/app/assets/stylesheets/common/base/group.scss b/app/assets/stylesheets/common/base/group.scss
index 3ea836ccead..6b4586ad7de 100644
--- a/app/assets/stylesheets/common/base/group.scss
+++ b/app/assets/stylesheets/common/base/group.scss
@@ -95,11 +95,11 @@ table.group-logs {
 
   th {
     text-align: left;
-    padding: 5px 0px;
+    padding: 5px 0;
   }
 
   td {
-    padding: 10px 0px;
+    padding: 10px 0;
   }
 
   .group-logs-expand-details {
@@ -131,7 +131,7 @@ table.group-members {
   th {
     border-bottom: 3px solid $primary-low;
     text-align: center;
-    padding: 5px 0px 5px 5px;
+    padding: 5px 0 5px 5px;
     color: dark-light-choose($primary-medium, $secondary-medium);
     font-weight: normal;
   }
diff --git a/app/assets/stylesheets/common/base/groups.scss b/app/assets/stylesheets/common/base/groups.scss
index 48f872ab7c2..138510f28b4 100644
--- a/app/assets/stylesheets/common/base/groups.scss
+++ b/app/assets/stylesheets/common/base/groups.scss
@@ -1,6 +1,6 @@
 .groups-page {
   h1 {
-    margin: 20px 0px;
+    margin: 20px 0;
   }
 }
 
@@ -9,7 +9,7 @@
 
   th {
     border-bottom: 1px solid $primary-low;
-    padding: 5px 0px;
+    padding: 5px 0;
     text-align: left;
   }
 
diff --git a/app/assets/stylesheets/common/base/modal.scss b/app/assets/stylesheets/common/base/modal.scss
index 62743539eba..5961334900f 100644
--- a/app/assets/stylesheets/common/base/modal.scss
+++ b/app/assets/stylesheets/common/base/modal.scss
@@ -379,7 +379,7 @@
     textarea {
       font-family: monospace;
       resize: none;
-      border-radius: 0px;
+      border-radius: 0;
       box-shadow: none;
     }
     .incoming-email-html-part {
diff --git a/app/assets/stylesheets/common/base/onebox.scss b/app/assets/stylesheets/common/base/onebox.scss
index f306c81d384..c7b630b943d 100644
--- a/app/assets/stylesheets/common/base/onebox.scss
+++ b/app/assets/stylesheets/common/base/onebox.scss
@@ -278,7 +278,7 @@ pre.onebox code ol.lines li:before {
 
 
 pre.onebox code ol{
-	margin-left:0px;
+	margin-left:0;
 	line-height: $line-height-large;
 }
 pre.onebox code {
@@ -296,7 +296,7 @@ pre.onebox code ol.lines{
 pre.onebox code ol.lines li {
 	list-style-type: none;
 	padding-left: 5px;
-	margin-left: 0px;
+	margin-left: 0;
 	border-left: 1px solid #CFCFCF;
 	min-height: 1.5em; //show empty li lines
   white-space: pre;
@@ -314,7 +314,7 @@ pre.onebox code {
 .onebox-body .github-commit-status {
   background: #F5F5F5;
   border-radius: 5px;
-  margin:0px 0px 5px 100px;
+  margin:0 0 5px 100px;
   padding: 10px;
 }
 
diff --git a/app/assets/stylesheets/common/base/tagging.scss b/app/assets/stylesheets/common/base/tagging.scss
index 451acc60ce8..d87997dc277 100644
--- a/app/assets/stylesheets/common/base/tagging.scss
+++ b/app/assets/stylesheets/common/base/tagging.scss
@@ -119,7 +119,7 @@ $tag-color: $primary-medium;
   }
 
   &.simple, &.simple:visited, &.simple:hover {
-    margin-right: 0px;
+    margin-right: 0;
     color: $primary-high;
   }
 }
diff --git a/app/assets/stylesheets/common/base/topic-post.scss b/app/assets/stylesheets/common/base/topic-post.scss
index 71ff99499d2..bcf774d15a1 100644
--- a/app/assets/stylesheets/common/base/topic-post.scss
+++ b/app/assets/stylesheets/common/base/topic-post.scss
@@ -448,7 +448,7 @@ blockquote > *:last-child {
 
     .custom-message {
       text-transform: none;
-      margin: 15px 0px 5px;
+      margin: 15px 0 5px;
       font-weight: normal;
       font-size: $font-up-1;
       p {
diff --git a/app/assets/stylesheets/common/base/topic.scss b/app/assets/stylesheets/common/base/topic.scss
index 85e6072e610..f23249d1227 100644
--- a/app/assets/stylesheets/common/base/topic.scss
+++ b/app/assets/stylesheets/common/base/topic.scss
@@ -10,7 +10,7 @@
   position: fixed;
   bottom: 40px;
   z-index: z("dropdown");
-  margin-right: 0px;
+  margin-right: 0;
   animation-duration: 0.5s;
   animation-name: button-jump-up;
   width: 145px;
diff --git a/app/assets/stylesheets/common/base/user.scss b/app/assets/stylesheets/common/base/user.scss
index 48f671c2a4c..5efd7ed9ca2 100644
--- a/app/assets/stylesheets/common/base/user.scss
+++ b/app/assets/stylesheets/common/base/user.scss
@@ -348,7 +348,7 @@
 }
 
 .user-nav {
-  margin: 5px 0px;
+  margin: 5px 0;
   padding-top: 10px;
 
   li a {
diff --git a/app/assets/stylesheets/common/base/username_tagsinput.scss b/app/assets/stylesheets/common/base/username_tagsinput.scss
index 4671d6a8b15..41fd3fa5d0d 100644
--- a/app/assets/stylesheets/common/base/username_tagsinput.scss
+++ b/app/assets/stylesheets/common/base/username_tagsinput.scss
@@ -32,8 +32,8 @@ div.tagsinput input {
   padding:2px 5px;
   background: transparent;
   color: #000;
-  outline:0px;
-  margin: 0px 5px 5px 0px;
+  outline:0;
+  margin: 0 5px 5px 0;
 }
 div.tagsinput div { display:block; float: left; }
 .tags_clear { clear: both; width: 100%; height: 0; }
diff --git a/app/assets/stylesheets/common/select-kit/combo-box.scss b/app/assets/stylesheets/common/select-kit/combo-box.scss
index 0d7e686eb04..9123b11c4ea 100644
--- a/app/assets/stylesheets/common/select-kit/combo-box.scss
+++ b/app/assets/stylesheets/common/select-kit/combo-box.scss
@@ -32,8 +32,8 @@
 
       &.is-focused {
         border: 1px solid $tertiary;
-        -webkit-box-shadow: $tertiary 0px 0px 6px 0px;
-                box-shadow: $tertiary 0px 0px 6px 0px;
+        -webkit-box-shadow: $tertiary 0 0 6px 0px;
+                box-shadow: $tertiary 0 0 6px 0px;
       }
     }
 
@@ -47,8 +47,8 @@
     &.is-highlighted {
       .select-kit-header {
         border: 1px solid $tertiary;
-        -webkit-box-shadow: $tertiary 0px 0px 6px 0px;
-                box-shadow: $tertiary 0px 0px 6px 0px;
+        -webkit-box-shadow: $tertiary 0 0 6px 0px;
+                box-shadow: $tertiary 0 0 6px 0px;
       }
     }
 
@@ -56,8 +56,8 @@
       .select-kit-wrapper {
         display: block;
         border: 1px solid $tertiary;
-        -webkit-box-shadow: $tertiary 0px 0px 6px 0px;
-                box-shadow: $tertiary 0px 0px 6px 0px;
+        -webkit-box-shadow: $tertiary 0 0 6px 0px;
+                box-shadow: $tertiary 0 0 6px 0px;
       }
 
       .select-kit-header {
diff --git a/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss b/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss
index e19e7e9cfaf..3ba9f7ad942 100644
--- a/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss
+++ b/app/assets/stylesheets/common/select-kit/legacy-combo-box.scss
@@ -79,10 +79,10 @@
 }
 
 .select2-container-active {
-  box-shadow:  $tertiary 0px 0px 6px 0px;
+  box-shadow:  $tertiary 0 0 6px 0px;
 }
 
 .select2-results .select2-no-results, .select2-results .select2-searching, .select2-results .select2-selection-limit {
   background: $secondary;
   color: $primary;
-}
\ No newline at end of file
+}
diff --git a/app/assets/stylesheets/common/select-kit/multi-select.scss b/app/assets/stylesheets/common/select-kit/multi-select.scss
index 1c1105bd268..61ca932379e 100644
--- a/app/assets/stylesheets/common/select-kit/multi-select.scss
+++ b/app/assets/stylesheets/common/select-kit/multi-select.scss
@@ -24,7 +24,7 @@
       border: 1px solid $primary-medium;
 
       &.is-focused {
-        box-shadow: $tertiary 0px 0px 6px 0px;
+        box-shadow: $tertiary 0 0 6px 0px;
         border-radius: 0;
       }
     }
@@ -40,7 +40,7 @@
       .multi-select-header {
         border-radius: 0;
         border-bottom: 1px solid transparent;
-        box-shadow: $tertiary 0px 0px 6px 0px;
+        box-shadow: $tertiary 0 0 6px 0px;
       }
     }
 
@@ -48,7 +48,7 @@
       .select-box-kit-wrapper, .select-kit-wrapper {
         display: block;
         border: 1px solid $tertiary;
-        box-shadow: $tertiary 0px 0px 6px 0px;
+        box-shadow: $tertiary 0 0 6px 0px;
         border-radius: 0;
       }
 
@@ -126,7 +126,6 @@
 
       .selected-name {
         color: $primary;
-        cursor: default;
         border: 1px solid $primary-medium;
         border-radius: 3px;
         box-shadow: 0 0 2px $secondary inset, 0 1px 0 rgba(0,0,0,0.05);
diff --git a/app/assets/stylesheets/common/select-kit/select-kit.scss b/app/assets/stylesheets/common/select-kit/select-kit.scss
index b3a79d672e3..ccd908b9681 100644
--- a/app/assets/stylesheets/common/select-kit/select-kit.scss
+++ b/app/assets/stylesheets/common/select-kit/select-kit.scss
@@ -45,7 +45,7 @@
       top: 0;
     }
 
-    .select-kit-collection, {
+    .select-kit-collection {
       border-radius: inherit;
     }
   }
@@ -91,7 +91,6 @@
             flex-direction: row;
     -webkit-box-pack: justify;
         -ms-flex-pack: justify;
-            justify-content: space-between;
 
     .selected-name {
       text-align: left;
@@ -106,7 +105,7 @@
     }
 
     .btn-clear {
-      padding: 0px 10px;
+      padding: 0 10px;
       border: 0;
       background: none;
     }
@@ -261,8 +260,8 @@
       overflow: hidden;
       position: fixed;
       outline: 0;
-      left: 0px;
-      top: 0px;
+      left: 0;
+      top: 0;
     }
   }
 
diff --git a/app/assets/stylesheets/common/select-kit/toolbar-popup-menu-options.scss b/app/assets/stylesheets/common/select-kit/toolbar-popup-menu-options.scss
index 4cd205f18a1..d36e04e1188 100644
--- a/app/assets/stylesheets/common/select-kit/toolbar-popup-menu-options.scss
+++ b/app/assets/stylesheets/common/select-kit/toolbar-popup-menu-options.scss
@@ -34,7 +34,6 @@
 
           .name, .d-icon {
             color: $secondary;
-            color: $secondary;
           }
         }
 
diff --git a/app/assets/stylesheets/common/topic-entrance.scss b/app/assets/stylesheets/common/topic-entrance.scss
index f615b3a2b3e..03caf20de59 100644
--- a/app/assets/stylesheets/common/topic-entrance.scss
+++ b/app/assets/stylesheets/common/topic-entrance.scss
@@ -3,7 +3,7 @@
   border: 1px solid $primary-low; 
   padding: 5px;
   background: $secondary;
-  box-shadow: 0 0px 2px rgba(0,0,0, .2);
+  box-shadow: 0 0 2px rgba(0,0,0, .2);
   z-index: z("dropdown");
 
   position: absolute;
diff --git a/app/assets/stylesheets/common/topic-timeline.scss b/app/assets/stylesheets/common/topic-timeline.scss
index a81771d585d..b3d84c056ea 100644
--- a/app/assets/stylesheets/common/topic-timeline.scss
+++ b/app/assets/stylesheets/common/topic-timeline.scss
@@ -108,7 +108,7 @@
         }
       }
       .timeline-last-read {
-        right: 0px;
+        right: 0;
         margin-left: 0;
         i.progress {
           display: none
diff --git a/app/assets/stylesheets/desktop/compose.scss b/app/assets/stylesheets/desktop/compose.scss
index 02ab6cbd2f2..5ecc5d7feae 100644
--- a/app/assets/stylesheets/desktop/compose.scss
+++ b/app/assets/stylesheets/desktop/compose.scss
@@ -47,7 +47,7 @@
 .open {
   .grippie {
     cursor: row-resize;
-    padding: 4px 0px;
+    padding: 4px 0;
     background: $tertiary;
     &:before {
       content: '';
diff --git a/app/assets/stylesheets/desktop/discourse.scss b/app/assets/stylesheets/desktop/discourse.scss
index bf9fa9b2fe7..de85046e7a6 100644
--- a/app/assets/stylesheets/desktop/discourse.scss
+++ b/app/assets/stylesheets/desktop/discourse.scss
@@ -60,7 +60,7 @@ h4,
 h5,
 h6 {
   + p {
-    margin-top:0px;
+    margin-top:0;
   }
 }
 
diff --git a/app/assets/stylesheets/desktop/topic-post.scss b/app/assets/stylesheets/desktop/topic-post.scss
index 9df9a80fbe6..4d1e95f0db4 100644
--- a/app/assets/stylesheets/desktop/topic-post.scss
+++ b/app/assets/stylesheets/desktop/topic-post.scss
@@ -908,7 +908,7 @@ a.attachment:before {
 
 .who-liked {
   margin-top: 20px;
-  margin-bottom: 0px;
+  margin-bottom: 0;
   width: 100%;
   text-align: right;
 }
@@ -924,7 +924,7 @@ span.highlighted {
 .read-state {
   color: $tertiary-medium;
   position: absolute;
-  right: 0px;
+  right: 0;
   top: 2em;
   font-size: 0.571em;
 }
diff --git a/app/assets/stylesheets/desktop/topic.scss b/app/assets/stylesheets/desktop/topic.scss
index c01f2f601d2..6f0e876dfb5 100644
--- a/app/assets/stylesheets/desktop/topic.scss
+++ b/app/assets/stylesheets/desktop/topic.scss
@@ -71,7 +71,7 @@
 
 .topic-status-info {
   border-top: 1px solid $primary-low;
-  padding: 10px 0px;
+  padding: 10px 0;
   height: 20px;
   max-width: 757px;
 }
@@ -96,7 +96,6 @@
   position: relative;
   left: 340px;
   width: 135px;
-  padding: 5px;
 
   button.full {
     width: 100%;
diff --git a/app/assets/stylesheets/desktop/user.scss b/app/assets/stylesheets/desktop/user.scss
index c3fec738e98..52611d69bea 100644
--- a/app/assets/stylesheets/desktop/user.scss
+++ b/app/assets/stylesheets/desktop/user.scss
@@ -111,7 +111,7 @@
 
 .user-invite-controls {
   background-color: $primary-low;
-  padding: 5px 10px 0px 0;
+  padding: 5px 10px 0 0;
   height: 35px;
 }
 
@@ -134,7 +134,7 @@
 
     &.group {
       .details {
-        padding: 15px 0px;
+        padding: 15px 0;
         margin: 0;
         color: dark-light-choose(lighten($primary, 10%), $secondary);
       }
diff --git a/app/assets/stylesheets/mobile/discourse.scss b/app/assets/stylesheets/mobile/discourse.scss
index 3f13dafb5c8..d978a127895 100644
--- a/app/assets/stylesheets/mobile/discourse.scss
+++ b/app/assets/stylesheets/mobile/discourse.scss
@@ -79,7 +79,7 @@ blockquote {
   &.activity-nav,
   &.preferences-nav {
     position: absolute;
-    right: 0px;
+    right: 0;
     top: -57px;
   }
 
@@ -103,7 +103,7 @@ blockquote {
 
   .d-icon-caret-down {
     position: absolute;
-    right: 0px;
+    right: 0;
   }
 
   .drop {
diff --git a/app/assets/stylesheets/mobile/group.scss b/app/assets/stylesheets/mobile/group.scss
index ded66e71845..626f33b8894 100644
--- a/app/assets/stylesheets/mobile/group.scss
+++ b/app/assets/stylesheets/mobile/group.scss
@@ -3,11 +3,11 @@
 }
 
 .group-header {
-  margin: 0px;
+  margin: 0;
 }
 
 .group-name {
-  margin: 5px 0px 0px 0px;
+  margin: 5px 0 0 0;
 }
 
 .group-nav {
@@ -29,7 +29,7 @@
 
 .group-activity-nav.mobile-nav {
   position: absolute;
-  right: 0px;
+  right: 0;
   top: -55px;
 }
 
@@ -44,7 +44,7 @@
 
   .group-flair-inputs {
     .group-flair-right {
-      margin: 0px
+      margin: 0
     }
   }
 }
diff --git a/app/assets/stylesheets/mobile/modal.scss b/app/assets/stylesheets/mobile/modal.scss
index ee7453ecfb2..9ee48891934 100644
--- a/app/assets/stylesheets/mobile/modal.scss
+++ b/app/assets/stylesheets/mobile/modal.scss
@@ -55,12 +55,12 @@
 }
 
 .modal-header {
-  padding: 10px 0px 10px 10px;
+  padding: 10px 0 10px 10px;
 
   h3 {
     display: inline;
     font-size: $font-up-2;
-    margin: 0px;
+    margin: 0;
   }
 }
 .close {
diff --git a/app/assets/stylesheets/mobile/topic.scss b/app/assets/stylesheets/mobile/topic.scss
index 7b14a58c3f6..c87355ccfd1 100644
--- a/app/assets/stylesheets/mobile/topic.scss
+++ b/app/assets/stylesheets/mobile/topic.scss
@@ -38,7 +38,7 @@
 /* both blocks that appear under the standard post control buttons */
 .notification-options, .pinned-options {
   float: left;
-  margin-top: 0px;
+  margin-top: 0;
   padding-top: 1px;
   clear: both;
 }
@@ -223,4 +223,4 @@ sup sup, sub sup, sup sub, sub sub { top: 0; }
   .btn.pull-right {
     margin-right: 0;
   }
-}
\ No newline at end of file
+}
diff --git a/app/assets/stylesheets/vendor/bootstrap.scss b/app/assets/stylesheets/vendor/bootstrap.scss
index 5cd46cdd04d..6ca0caca0cc 100644
--- a/app/assets/stylesheets/vendor/bootstrap.scss
+++ b/app/assets/stylesheets/vendor/bootstrap.scss
@@ -129,7 +129,6 @@ input[type="submit"].btn::-moz-focus-inner {
   margin: 1px 0 0;
   list-style: none;
   background-color: #ffffff;
-  border: 1px solid #ccc;
   border: 1px solid rgba(0, 0, 0, 0.2);
   border-radius: 5px;
   box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
@@ -213,7 +212,7 @@ body {
 
   // this removes the unwanted top margin on a paragraph under a heading
   h1+p, h2+p, h3+p, h4+p, h5+p, h6+p {
-    margin-top:0px;
+    margin-top:0;
   }
 
   blockquote {
diff --git a/app/assets/stylesheets/vendor/select2.scss b/app/assets/stylesheets/vendor/select2.scss
index f129c0baf96..c2b1e492213 100644
--- a/app/assets/stylesheets/vendor/select2.scss
+++ b/app/assets/stylesheets/vendor/select2.scss
@@ -402,7 +402,6 @@ disabled look for disabled choices in the results dropdown
 
 .select2-container-multi .select2-choices {
     height: auto !important;
-    height: 1%;
     margin: 0;
     padding: 0 5px 0 0;
     position: relative;
@@ -558,8 +557,8 @@ html[dir="rtl"] .select2-search-choice-close {
     overflow: hidden !important;
     position: absolute !important;
     outline: 0 !important;
-    left: 0px !important;
-    top: 0px !important;
+    left: 0 !important;
+    top: 0 !important;
 }
 
 .select2-display-none {
diff --git a/app/assets/stylesheets/vendor/sweetalert.scss b/app/assets/stylesheets/vendor/sweetalert.scss
index 76f159d7f06..b384cf53a38 100644
--- a/app/assets/stylesheets/vendor/sweetalert.scss
+++ b/app/assets/stylesheets/vendor/sweetalert.scss
@@ -52,7 +52,6 @@ body.stop-scrolling {
   .sweet-alert p {
     color: #797979;
     font-size: 16px;
-    text-align: center;
     font-weight: 300;
     position: relative;
     text-align: inherit;
@@ -132,14 +131,14 @@ body.stop-scrolling {
     margin-top: 10px;
     margin-bottom: 17px;
     font-size: 18px;
-    box-shadow: inset 0px 1px 1px rgba(0, 0, 0, 0.06);
+    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.06);
     padding: 0 12px;
     display: none;
     -webkit-transition: all 0.3s;
     transition: all 0.3s; }
     .sweet-alert input:focus {
       outline: none;
-      box-shadow: 0px 0px 3px #c4e6f5;
+      box-shadow: 0 0 3px #c4e6f5;
       border: 1px solid #b4dbed; }
       .sweet-alert input:focus::-moz-placeholder {
         transition: opacity 0.3s 0.03s ease;
@@ -195,7 +194,7 @@ body.stop-scrolling {
       .sweet-alert button.cancel:active {
         background-color: #a8a8a8; }
       .sweet-alert button.cancel:focus {
-        box-shadow: rgba(197, 205, 211, 0.8) 0px 0px 2px, rgba(0, 0, 0, 0.0470588) 0px 0px 0px 1px inset !important; }
+        box-shadow: rgba(197, 205, 211, 0.8) 0 0 2px, rgba(0, 0, 0, 0.0470588) 0 0 0 1px inset !important; }
     .sweet-alert button[disabled] {
       opacity: .6;
       cursor: default; }
@@ -216,7 +215,6 @@ body.stop-scrolling {
     height: 80px;
     border: 4px solid gray;
     -webkit-border-radius: 40px;
-    border-radius: 40px;
     border-radius: 50%;
     margin: 20px auto;
     padding: 0;
@@ -291,7 +289,6 @@ body.stop-scrolling {
       .sweet-alert .sa-icon.sa-success::before, .sweet-alert .sa-icon.sa-success::after {
         content: '';
         -webkit-border-radius: 40px;
-        border-radius: 40px;
         border-radius: 50%;
         position: absolute;
         width: 60px;
@@ -315,14 +312,13 @@ body.stop-scrolling {
         left: 30px;
         -webkit-transform: rotate(-45deg);
         transform: rotate(-45deg);
-        -webkit-transform-origin: 0px 60px;
-        transform-origin: 0px 60px; }
+        -webkit-transform-origin: 0 60px;
+        transform-origin: 0 60px; }
       .sweet-alert .sa-icon.sa-success .sa-placeholder {
         width: 80px;
         height: 80px;
         border: 4px solid rgba(165, 220, 134, 0.2);
         -webkit-border-radius: 40px;
-        border-radius: 40px;
         border-radius: 50%;
         box-sizing: content-box;
         position: absolute;
@@ -414,13 +410,13 @@ body.stop-scrolling {
 
 @-webkit-keyframes slideFromTop {
   0% {
-    top: 0%; }
+    top: 0; }
   100% {
     top: 50%; } }
 
 @keyframes slideFromTop {
   0% {
-    top: 0%; }
+    top: 0; }
   100% {
     top: 50%; } }
 
@@ -428,13 +424,13 @@ body.stop-scrolling {
   0% {
     top: 50%; }
   100% {
-    top: 0%; } }
+    top: 0; } }
 
 @keyframes slideToTop {
   0% {
     top: 50%; }
   100% {
-    top: 0%; } }
+    top: 0; } }
 
 @-webkit-keyframes slideFromBottom {
   0% {
@@ -547,7 +543,7 @@ body.stop-scrolling {
     top: 54px; }
   84% {
     width: 55px;
-    right: 0px;
+    right: 0;
     top: 35px; }
   100% {
     width: 47px;
@@ -565,7 +561,7 @@ body.stop-scrolling {
     top: 54px; }
   84% {
     width: 55px;
-    right: 0px;
+    right: 0;
     top: 35px; }
   100% {
     width: 47px;
diff --git a/app/assets/stylesheets/wizard.scss b/app/assets/stylesheets/wizard.scss
index 26dfd5550e3..821c8e86895 100644
--- a/app/assets/stylesheets/wizard.scss
+++ b/app/assets/stylesheets/wizard.scss
@@ -195,7 +195,7 @@ body.wizard {
   .wizard-btn {
     border-radius: 2px;
     font-size: $font-0;
-    border: 0px;
+    border: 0;
     padding: 0.5em;
     transition: background-color .3s;
     margin-right: 0.5em;
diff --git a/plugins/poll/assets/stylesheets/common/poll-ui-builder.scss b/plugins/poll/assets/stylesheets/common/poll-ui-builder.scss
index 184cd20573d..df121a8af6f 100644
--- a/plugins/poll/assets/stylesheets/common/poll-ui-builder.scss
+++ b/plugins/poll/assets/stylesheets/common/poll-ui-builder.scss
@@ -1,5 +1,5 @@
 .poll-ui-builder-form {
-  margin: 0px;
+  margin: 0;
 
   .input-group {
     padding: 10px;
diff --git a/plugins/poll/assets/stylesheets/common/poll.scss b/plugins/poll/assets/stylesheets/common/poll.scss
index d52c6e1429a..845a2a391ab 100644
--- a/plugins/poll/assets/stylesheets/common/poll.scss
+++ b/plugins/poll/assets/stylesheets/common/poll.scss
@@ -4,7 +4,7 @@ $text-color: #9E9E9E;
 $option-background: dark-light-diff($primary, $secondary, 90%, -65%);
 
 div.poll {
-  margin: 10px 0px;
+  margin: 10px 0;
   border: 1px solid $border-color;
 
   @include unselectable;
diff --git a/public/javascripts/spectrum.css b/public/javascripts/spectrum.css
index a8ad9e4f82f..03ffeda90c8 100644
--- a/public/javascripts/spectrum.css
+++ b/public/javascripts/spectrum.css
@@ -113,7 +113,7 @@ License: MIT
 .sp-clear-enabled .sp-clear {
     display: block;
     position:absolute;
-    top:0px;
+    top:0;
     right:0;
     bottom:0;
     left:84%;