Auto-fix stylelint issues

These `stylelint` issues were autofixed by the tool itself and look sane to me.

res/css/views/dialogs/_DevtoolsDialog.scss

@@ -45,13 +45,11 @@ limitations under the License.
     border-bottom: 1px solid #e5e5e5;
 }
 
-.mx_DevTools_inputRow
-{
+.mx_DevTools_inputRow {
     display: table-row;
 }
 
-.mx_DevTools_inputLabelCell
-{
+.mx_DevTools_inputLabelCell {
     display: table-cell;
     font-weight: bold;
     padding-right: 24px;
@@ -62,8 +60,7 @@ limitations under the License.
     width: 240px;
 }
 
-.mx_DevTools_inputCell input
-{
+.mx_DevTools_inputCell input {
     display: inline-block;
     border: 0;
     border-bottom: 1px solid $input-underline-color;
@@ -95,11 +92,11 @@ limitations under the License.
 
     // add default box-sizing for this scope
     &,
-    &:after,
-    &:before,
+    &::after,
+    &::before,
     & *,
-    & *:after,
-    & *:before,
+    & *::after,
+    & *::before,
     & + .mx_DevTools_tgl-btn {
         box-sizing: border-box;
         &::selection {
@@ -115,8 +112,8 @@ limitations under the License.
         position: relative;
         cursor: pointer;
         user-select: none;
-        &:after,
-        &:before {
+        &::after,
+        &::before {
             position: relative;
             display: block;
             content: "";
@@ -124,16 +121,16 @@ limitations under the License.
             height: 100%;
         }
 
-        &:after {
+        &::after {
             left: 0;
         }
 
-        &:before {
+        &::before {
             display: none;
         }
     }
 
-    &:checked + .mx_DevTools_tgl-btn:after {
+    &:checked + .mx_DevTools_tgl-btn::after {
         left: 50%;
     }
 }
@@ -144,8 +141,8 @@ limitations under the License.
         transition: all .2s ease;
         font-family: sans-serif;
         perspective: 100px;
-        &:after,
-        &:before {
+        &::after,
+        &::before {
             display: inline-block;
             transition: all .4s ease;
             width: 100%;
@@ -160,34 +157,34 @@ limitations under the License.
             border-radius: 4px;
         }
 
-        &:after {
+        &::after {
             content: attr(data-tg-on);
-            background: #02C66F;
+            background: #02c66f;
             transform: rotateY(-180deg);
         }
 
-        &:before {
-            background: #FF3A19;
+        &::before {
+            background: #ff3a19;
             content: attr(data-tg-off);
         }
 
-        &:active:before {
+        &:active::before {
             transform: rotateY(-20deg);
         }
     }
 
     &:checked + .mx_DevTools_tgl-btn {
-        &:before {
+        &::before {
             transform: rotateY(180deg);
         }
 
-        &:after {
+        &::after {
             transform: rotateY(0);
             left: 0;
-            background: #7FC6A6;
+            background: #7fc6a6;
         }
 
-        &:active:after {
+        &:active::after {
             transform: rotateY(20deg);
         }
     }