diff --git a/wagtail/contrib/wagtailstyleguide/static_src/wagtailstyleguide/scss/styleguide.scss b/wagtail/contrib/wagtailstyleguide/static_src/wagtailstyleguide/scss/styleguide.scss
index 873aaf6b6..7358a232f 100644
--- a/wagtail/contrib/wagtailstyleguide/static_src/wagtailstyleguide/scss/styleguide.scss
+++ b/wagtail/contrib/wagtailstyleguide/static_src/wagtailstyleguide/scss/styleguide.scss
@@ -2,104 +2,104 @@
 @import "wagtailadmin/scss/mixins.scss";
 @import "wagtailadmin/scss/grid.scss";
 
-section{
-    border-top:1px solid $color-grey-3;
-    margin-top:2em;
-    padding:0 0 2em 0;
+section {
+    border-top: 1px solid $color-grey-3;
+    margin-top: 2em;
+    padding: 0 0 2em 0;
 
-    > h2:first-child{
-        margin:0;
-        font-size:1em;
-        background:$color-grey-4;
-        padding:1em;
-        margin-bottom:1em;
+    > h2: first-child {
+        margin: 0;
+        font-size: 1em;
+        background: $color-grey-4;
+        padding: 1em;
+        margin-bottom: 1em;
     }
 }
 
-#palette{
+#palette {
     @include clearfix();
 
-    ul{
+    ul {
         @include clearfix();
         @include unlist();
     }
 
-    li{
-        float:left;
-        width:100px;
-        height:100px;
-        padding:10px;
-        color:black;
+    li {
+        float: left;
+        width: 100px;
+        height: 100px;
+        padding: 10px;
+        color: black;
     }
 
-    .color-teal{
-        background-color:$color-teal;
+    .color-teal {
+        background-color: $color-teal;
     }
-    .color-teal-darker{
-        background-color:$color-teal-darker;
+    .color-teal-darker {
+        background-color: $color-teal-darker;
     }
-    .color-teal-dark{
-        background-color:$color-teal-dark;
+    .color-teal-dark {
+        background-color: $color-teal-dark;
     }
-    .color-red{
-        background-color:$color-red;
+    .color-red {
+        background-color: $color-red;
     }
-    .color-orange{
-        background-color:$color-orange;
+    .color-orange {
+        background-color: $color-orange;
     }
-    .color-green{
-        background-color:$color-green;
+    .color-green {
+        background-color: $color-green;
     }
-    .color-blue{
-        background-color:$color-blue;
+    .color-blue {
+        background-color: $color-blue;
     }
-    .color-grey-1{
-        background-color:$color-grey-1;
+    .color-grey-1 {
+        background-color: $color-grey-1;
     }
-    .color-grey-1-1{
-        background-color:$color-grey-1-1;
+    .color-grey-1-1 {
+        background-color: $color-grey-1-1;
     }
-    .color-grey-2{
-        background-color:$color-grey-2;
+    .color-grey-2 {
+        background-color: $color-grey-2;
     }
-    .color-grey-3{
-        background-color:$color-grey-3;
+    .color-grey-3 {
+        background-color: $color-grey-3;
     }
-    .color-grey-4{
-        background-color:$color-grey-4;
+    .color-grey-4 {
+        background-color: $color-grey-4;
     }
-    .color-grey-5{
-        background-color:$color-grey-5;
+    .color-grey-5 {
+        background-color: $color-grey-5;
     }
-    .color-salmon{
-        background-color:$color-salmon;
+    .color-salmon {
+        background-color: $color-salmon;
     }
-    .color-salmon-light{
-        background-color:$color-salmon-light;
+    .color-salmon-light {
+        background-color: $color-salmon-light;
     }
 }
 
 
-#icons{
-    :before, :after{
-        font-size:2em;
+#icons {
+    :before, :after {
+        font-size: 2em;
     }
-    ul{
-        -webkit-column-count:3; /* Chrome, Safari, Opera */
-        -moz-column-count:3; /* Firefox */
-        column-count:3;
+    ul {
+        -webkit-column-count: 3; /* Chrome, Safari, Opera */
+        -moz-column-count: 3; /* Firefox */
+        column-count: 3;
     }
-    li{
-        margin-bottom:1em;
+    li {
+        margin-bottom: 1em;
     }
-    .spinner{
-        position:relative;
+    .spinner {
+        position: relative;
     }
-    .icon-spinner:after{
-        position:absolute;
+    .icon-spinner: after {
+        position: absolute;
     }
 }
 
-.timepicker{
-    height:150px;
+.timepicker {
+    height: 150px;
 }
diff --git a/wagtail/wagtailimages/static_src/wagtailimages/scss/add-multiple.scss b/wagtail/wagtailimages/static_src/wagtailimages/scss/add-multiple.scss
index 7d1d1b682..aefd0d961 100644
--- a/wagtail/wagtailimages/static_src/wagtailimages/scss/add-multiple.scss
+++ b/wagtail/wagtailimages/static_src/wagtailimages/scss/add-multiple.scss
@@ -2,123 +2,123 @@
 @import "wagtailadmin/scss/mixins.scss";
 @import "wagtailadmin/scss/grid.scss";
 
-.replace-file-input{
-    display:inline-block;
-    position:relative;
-    overflow:hidden;
-    padding-bottom:2px;
+.replace-file-input {
+    display: inline-block;
+    position: relative;
+    overflow: hidden;
+    padding-bottom: 2px;
 
-    input[type=file]{
-        padding:0;
-        opacity:0;
-        position:absolute;
-        top:0;
-        right:0;
-        direction:ltr;
-        width:auto;
-        display:block;
-        font-size:5em;
+    input[type=file] {
+        padding: 0;
+        opacity: 0;
+        position: absolute;
+        top: 0;
+        right: 0;
+        direction: ltr;
+        width: auto;
+        display: block;
+        font-size: 5em;
 
-        &:hover{
-            cursor:pointer;
+        &: hover {
+            cursor: pointer;
         }
     }
 
-    &:hover{
-        cursor:pointer;
+    &: hover {
+        cursor: pointer;
 
-        button{
-            background-color:$color-teal-darker;
+        button {
+            background-color: $color-teal-darker;
         }
     }
 }
 
-.upload-list{
-    > li{
-        padding:1em;
+.upload-list {
+    > li {
+        padding: 1em;
     }
-    .left{
-        text-align:center;
+    .left {
+        text-align: center;
     }
 
-    .preview{
-        width:150px;
-        min-height:150px;
-        display:block;
-        position:relative;
-        text-align:center;
-        max-width:100%;
-        margin:auto;
+    .preview {
+        width: 150px;
+        min-height: 150px;
+        display: block;
+        position: relative;
+        text-align: center;
+        max-width: 100%;
+        margin: auto;
     }
-    .progress, .thumb, .thumb:before, canvas, img{
-        position:absolute;
-        max-width:100%;
+    .progress, .thumb, .thumb: before, canvas, img {
+        position: absolute;
+        max-width: 100%;
     }
-    .progress{
-        z-index:4;
-        top:60%;
-        left:20%;
-        right:20%;
-        width:60%;
+    .progress {
+        z-index: 4;
+        top: 60%;
+        left: 20%;
+        right: 20%;
+        width: 60%;
         @include box-shadow(0 0 5px 2px rgba(255, 255, 255, 0.4));
     }
-    .thumb{
-        top:0;right:0;bottom:0;left:0;
-        z-index:1;
-        width:100%;
+    .thumb {
+        top: 0;right: 0;bottom: 0;left: 0;
+        z-index: 1;
+        width: 100%;
     }
 
-    .thumb:before, canvas, img{
-        left:0;
-        right:0;
-        top:0;
-        bottom:0;
-        margin:auto;
+    .thumb: before, canvas, img {
+        left: 0;
+        right: 0;
+        top: 0;
+        bottom: 0;
+        margin: auto;
     }
-    .thumb:before{
-        z-index:2;
-        top:0;
-        width:1em;
-        font-size:10em;
-        line-height:1.4em;
-        color:lighten($color-grey-4, 4%);
+    .thumb: before {
+        z-index: 2;
+        top: 0;
+        width: 1em;
+        font-size: 10em;
+        line-height: 1.4em;
+        color: lighten($color-grey-4, 4%);
     }
-    canvas, img{
-        z-index:3;
+    canvas, img {
+        z-index: 3;
     }
 
-    .hasthumb{
-        &:before{
-            display:none;        
+    .hasthumb {
+        &: before {
+            display: none;        
         }
     }
 
-    .status-msg{
-        display:none;
+    .status-msg {
+        display: none;
     }
 
-    .upload-complete{
-        .progress{
-            opacity:0;
+    .upload-complete {
+        .progress {
+            opacity: 0;
         }
     }
-    .upload-uploading{
+    .upload-uploading {
 
     }
-    .upload-success{
-        .status-msg.success{
-            display:block;
+    .upload-success {
+        .status-msg.success {
+            display: block;
         }
     }
-    .upload-failure{
-        border-color:$color-red;
+    .upload-failure {
+        border-color: $color-red;
 
-        .preview{
-            display:none;
+        .preview {
+            display: none;
         }
         
-        .status-msg.failure{
-            display:block;
+        .status-msg.failure {
+            display: block;
         }
     }
 }
diff --git a/wagtail/wagtailimages/static_src/wagtailimages/scss/focal-point-chooser.scss b/wagtail/wagtailimages/static_src/wagtailimages/scss/focal-point-chooser.scss
index d1a022f6b..21a300c9d 100644
--- a/wagtail/wagtailimages/static_src/wagtailimages/scss/focal-point-chooser.scss
+++ b/wagtail/wagtailimages/static_src/wagtailimages/scss/focal-point-chooser.scss
@@ -16,7 +16,7 @@
         }
     }
 
-    &:hover .current-focal-point-indicator{
-        opacity:0;
+    &:hover .current-focal-point-indicator {
+        opacity: 0;
     }
 }
diff --git a/wagtail/wagtailusers/static_src/wagtailusers/scss/groups_edit.scss b/wagtail/wagtailusers/static_src/wagtailusers/scss/groups_edit.scss
index 85a13f071..63534f217 100644
--- a/wagtail/wagtailusers/static_src/wagtailusers/scss/groups_edit.scss
+++ b/wagtail/wagtailusers/static_src/wagtailusers/scss/groups_edit.scss
@@ -1,9 +1,9 @@
 .listing {
-	.field label{
-		display:none;
-	}
-	input,select,textarea{
-		font-size:1em;
+	.field label {
+		display: none;
 	}
 
+	input, select, textarea {
+		font-size: 1em;
+	}
 }
\ No newline at end of file