Enable BangFormat in scss-lint

.scss-lint.yml

@@ -10,7 +10,7 @@ linters:
   # Reports when you use improper spacing around ! (the "bang") in !default,
   # !global, !important, and !optional flags.
   BangFormat:
-    enabled: false
+    enabled: true
   # Whether or not to prefer `border: 0` over `border: none`.
   BorderZero:

app/assets/stylesheets/framework/dropdowns.scss

@@ -675,8 +675,8 @@
   }
   .pika-single {
-    position: relative!important;
-    top: 0!important;
+    position: relative !important;
+    top: 0 !important;
     border: 0;
     box-shadow: none;
   }

app/assets/stylesheets/framework/header.scss

@@ -330,7 +330,7 @@ header {
       padding-left: 5px;
       .nav > li:not(.hidden-xs) {
-        display: table-cell!important;
+        display: table-cell !important;
         width: 25%;
         a {

app/assets/stylesheets/pages/boards.scss

@@ -11,7 +11,7 @@
 .is-dragging {
   // Important because plugin sets inline CSS
-  opacity: 1!important;
+  opacity: 1 !important;
   * {
     -webkit-user-select: none;
@@ -19,8 +19,8 @@
     -ms-user-select: none;
     user-select: none;
     // !important to make sure no style can override this when dragging
-    cursor: -webkit-grabbing!important;
-    cursor: grabbing!important;
+    cursor: -webkit-grabbing !important;
+    cursor: grabbing !important;
   }
 }

app/assets/stylesheets/pages/pipeline_schedules.scss

 .js-pipeline-schedule-form {
   .dropdown-select,
   .dropdown-menu-toggle {
-    width: 100%!important;
+    width: 100% !important;
   }
   .gl-field-error {

app/assets/stylesheets/print.scss

@@ -37,7 +37,7 @@ ul.notes-form,
 .issuable-details .content-block-small,
 .edit-link,
 .note-action-button {
-  display: none!important;
+  display: none !important;
 }
 pre {

changelogs/unreleased/enable-scss-lint-bang-format.yml

+---
+title: Enable BangFormat in scss-lint [ci skip]
+merge_request: 12815
+author: Takuya Noguchi