Merge branch '10708-environments-scss' into 'master'

EE: Removes EE differences for environments.scss

See merge request gitlab-org/gitlab-ee!10447

app/assets/stylesheets/pages/environments.scss

@@ -345,6 +345,8 @@
       top: 13px;
     }
 
+    > .popover-title,
+    > .popover-content,
     > .popover-header,
     > .popover-body {
       padding: 8px;