MAGETWO-62237: [Github][PR] Blank theme: Fix sorter icon changing #7628

- Fixed code style.

Author: undefined-olha

app/design/frontend/Magento/blank/Magento_Catalog/web/css/source/module/_toolbar.less

@@ -81,9 +81,11 @@
         );
     }
 
-    .sorter .sort-desc {
-        &:before {
-            content: @icon-arrow-down;
+    .sorter {
+        .sort-desc {
+            &:before {
+                content: @icon-arrow-down;
+            }
         }
     }