diff --git a/less/topic.less b/less/topic.less
index 0d65fdc..3c9d9cb 100644
--- a/less/topic.less
+++ b/less/topic.less
@@ -533,6 +533,8 @@
 			.dropdown-toggle {
 				padding-left: 20px;
 				padding-right: 20px;
+				padding-top: 10px;
+				padding-bottom: 10px;
 			}
 			.dropdown-menu {
 				width: 475px;