better styling of search box

Author: evilsocket

arc/index.html

@@ -127,11 +127,11 @@ <h5 class="editable" id="store_title">{{ arc.store.title }}</h5>
                   });
                 </script>
               </div>
-              <div class="col-6">
+              <div class="col-6 input-group">
                 <input 
                    type="text" 
                    id="search_filter" 
-                   class="search-filter" 
+                   class="search-filter form-control border" 
                    ng-model="search" 
                    ng-change="updateFilter()" 
                    placeholder="Search ..."/>