diff --git a/res/css/structures/_AutoHideScrollbar.scss b/res/css/structures/_AutoHideScrollbar.scss
index 84811070dc..db86a6fbd6 100644
--- a/res/css/structures/_AutoHideScrollbar.scss
+++ b/res/css/structures/_AutoHideScrollbar.scss
@@ -66,8 +66,7 @@ body.mx_scrollbar_nooverlay {
     */
     .mx_AutoHideScrollbar:hover.mx_AutoHideScrollbar_overflow > .mx_AutoHideScrollbar_offset,
     .mx_AutoHideScrollbar:hover.mx_AutoHideScrollbar_overflow::before,
-    .mx_AutoHideScrollbar:hover.mx_AutoHideScrollbar_overflow::after
-    {
+    .mx_AutoHideScrollbar:hover.mx_AutoHideScrollbar_overflow::after {
         margin-right: calc(-1 * var(--scrollbar-width));
     }
 }
diff --git a/res/css/structures/_CompatibilityPage.scss b/res/css/structures/_CompatibilityPage.scss
index f3f032c975..26354ed124 100644
--- a/res/css/structures/_CompatibilityPage.scss
+++ b/res/css/structures/_CompatibilityPage.scss
@@ -16,4 +16,4 @@
     border: 1px solid;
     padding: 10px;
     background-color: #fcc;
-}
\ No newline at end of file
+}
diff --git a/res/css/structures/_ContextualMenu.scss b/res/css/structures/_ContextualMenu.scss
index 98a42340b0..fc1538a13d 100644
--- a/res/css/structures/_ContextualMenu.scss
+++ b/res/css/structures/_ContextualMenu.scss
@@ -54,14 +54,14 @@ limitations under the License.
     border-bottom: 8px solid transparent;
 }
 
-.mx_ContextualMenu_chevron_right:after {
-    content:'';
+.mx_ContextualMenu_chevron_right::after {
+    content: '';
     width: 0;
     height: 0;
     border-top: 7px solid transparent;
     border-left: 7px solid $menu-bg-color;
     border-bottom: 7px solid transparent;
-    position:absolute;
+    position: absolute;
     top: -7px;
     right: 1px;
 }
@@ -81,14 +81,14 @@ limitations under the License.
     border-bottom: 8px solid transparent;
 }
 
-.mx_ContextualMenu_chevron_left:after{
-    content:'';
+.mx_ContextualMenu_chevron_left::after {
+    content: '';
     width: 0;
     height: 0;
     border-top: 7px solid transparent;
     border-right: 7px solid $menu-bg-color;
     border-bottom: 7px solid transparent;
-    position:absolute;
+    position: absolute;
     top: -7px;
     left: 1px;
 }
@@ -108,14 +108,14 @@ limitations under the License.
     border-right: 8px solid transparent;
 }
 
-.mx_ContextualMenu_chevron_top:after{
-    content:'';
+.mx_ContextualMenu_chevron_top::after {
+    content: '';
     width: 0;
     height: 0;
     border-left: 7px solid transparent;
     border-bottom: 7px solid $menu-bg-color;
     border-right: 7px solid transparent;
-    position:absolute;
+    position: absolute;
     left: -7px;
     top: 1px;
 }
@@ -135,14 +135,14 @@ limitations under the License.
     border-right: 8px solid transparent;
 }
 
-.mx_ContextualMenu_chevron_bottom:after{
-    content:'';
+.mx_ContextualMenu_chevron_bottom::after {
+    content: '';
     width: 0;
     height: 0;
     border-left: 7px solid transparent;
     border-top: 7px solid $menu-bg-color;
     border-right: 7px solid transparent;
-    position:absolute;
+    position: absolute;
     left: -7px;
     bottom: 1px;
 }
diff --git a/res/css/structures/_CreateRoom.scss b/res/css/structures/_CreateRoom.scss
index 2be193525e..10f9e23a02 100644
--- a/res/css/structures/_CreateRoom.scss
+++ b/res/css/structures/_CreateRoom.scss
@@ -22,7 +22,7 @@ limitations under the License.
 }
 
 .mx_CreateRoom input,
-.mx_CreateRoom textarea  {
+.mx_CreateRoom textarea {
     border-radius: 3px;
     border: 1px solid $strong-input-border-color;
     font-weight: 300;
diff --git a/res/css/structures/_GroupView.scss b/res/css/structures/_GroupView.scss
index 4f33617344..ae86f68fd0 100644
--- a/res/css/structures/_GroupView.scss
+++ b/res/css/structures/_GroupView.scss
@@ -67,13 +67,13 @@ limitations under the License.
 }
 
 .mx_GroupView_editable {
-    border-bottom: 1px solid $strong-input-border-color ! important;
+    border-bottom: 1px solid $strong-input-border-color !important;
     min-width: 150px;
     cursor: text;
 }
 
 .mx_GroupView_editable:focus {
-    border-bottom: 1px solid $accent-color ! important;
+    border-bottom: 1px solid $accent-color !important;
     outline: none;
     box-shadow: none;
 }
@@ -95,7 +95,7 @@ limitations under the License.
 
 .mx_GroupView_avatarPicker .mx_Spinner {
     width: 48px;
-    height: 48px ! important;
+    height: 48px !important;
 }
 
 .mx_GroupView_header_leftCol {
@@ -176,7 +176,7 @@ limitations under the License.
     flex: 1;
 }
 
-.mx_GroupView_body  {
+.mx_GroupView_body {
     flex-grow: 1;
 }
 
@@ -333,7 +333,7 @@ limitations under the License.
     display: none;
 }
 
-.mx_GroupView_body .gm-scroll-view > *{
+.mx_GroupView_body .gm-scroll-view > * {
     margin: 11px 50px 0px 68px;
 }
 
diff --git a/res/css/structures/_NotificationPanel.scss b/res/css/structures/_NotificationPanel.scss
index ecad64dd0d..78b3522d4e 100644
--- a/res/css/structures/_NotificationPanel.scss
+++ b/res/css/structures/_NotificationPanel.scss
@@ -66,7 +66,7 @@ limitations under the License.
 
 .mx_NotificationPanel .mx_EventTile_roomName a,
 .mx_NotificationPanel .mx_EventTile_senderDetails a {
-    text-decoration: none ! important;
+    text-decoration: none !important;
 }
 
 .mx_NotificationPanel .mx_EventTile .mx_MessageTimestamp {
diff --git a/res/css/structures/_RoomStatusBar.scss b/res/css/structures/_RoomStatusBar.scss
index dd251ae4a5..090a40235f 100644
--- a/res/css/structures/_RoomStatusBar.scss
+++ b/res/css/structures/_RoomStatusBar.scss
@@ -138,8 +138,8 @@ limitations under the License.
 }
 
 .mx_RoomStatusBar_resend_link {
-    color: $primary-fg-color ! important;
-    text-decoration: underline ! important;
+    color: $primary-fg-color !important;
+    text-decoration: underline !important;
     cursor: pointer;
 }
 
diff --git a/res/css/structures/_RoomView.scss b/res/css/structures/_RoomView.scss
index 1ccbc7fb97..cead3f4672 100644
--- a/res/css/structures/_RoomView.scss
+++ b/res/css/structures/_RoomView.scss
@@ -78,7 +78,7 @@ limitations under the License.
 }
 
 .mx_RoomView_auxPanel_apps {
-    max-width: 1920px ! important;
+    max-width: 1920px !important;
 }
 
 
@@ -292,7 +292,7 @@ hr.mx_RoomView_myReadMarker {
 }
 
 .mx_RoomView_ongoingConfCallNotification a {
-    color: $accent-fg-color ! important;
+    color: $accent-fg-color !important;
 }
 
 .mx_MatrixChat_useCompactLayout {