Add border to "other" label items

app/assets/stylesheets/pages/labels.scss

@@ -79,6 +79,7 @@
     justify-content: space-between;
     padding: $gl-padding;
     border-radius: $border-radius-default;
+    border: 1px solid $theme-gray-100;
     &.sortable-ghost {
       opacity: 0.3;
@@ -89,6 +90,7 @@
       cursor: move;
       cursor: -webkit-grab;
       cursor: -moz-grab;
+      border: 0;
       &:active {
         cursor: -webkit-grabbing;