ENGCOM-3825: Static test fix.

Author: p-bystritsky

app/design/frontend/Magento/luma/Magento_Theme/web/css/source/_module.less

@@ -319,18 +319,18 @@
             }
         }
     }
-    .page-header{
+    .page-header {
         .switcher {
             .options {
                 ul.dropdown {
                     right: 0;
-                    &:before{
-                        right: 10px;
+                    &:before {
                         left: auto;
+                        right: 10px;
                     }
                     &:after {
-                        right: 9px;
                         left: auto;
+                        right: 9px;
                     }
                 }
             }