Fixing alignment of settings close button (#12202)

ui/pages/settings/index.scss

@@ -22,7 +22,7 @@
 
       flex: 1 0 auto;
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         text-overflow: ellipsis;
         overflow: hidden;
         white-space: nowrap;
@@ -108,6 +108,10 @@
     }
   }
 
+  &__close-button {
+    margin-left: auto;
+  }
+
   &__close-button::after {
     content: '\00D7';
     font-size: 40px;