added .dtp-button-dropdown

client/less/site/button.less

@@ -175,4 +175,13 @@ button.uk-button.dtp-button-danger {
   span.count-label {
     color: #e8e8e8;
   }
+}
+
+button.dtp-button-dropdown {
+  background: none;
+  border: none;
+  outline: none;
+  padding: 8px 12px;
+  color: #e8e8e8;
+  cursor: pointer;
 }