diff --git a/css/button.css b/css/button.css
index 15e484b..139d9d4 100644
--- a/css/button.css
+++ b/css/button.css
@@ -19,6 +19,8 @@
 .ctools-button-processed .ctools-content ul {
   list-style-image: none;
   list-style-type: none;
+  margin: 0;
+  overflow: hidden;
 }
 
 .ctools-button-processed li {
diff --git a/css/dropbutton.css b/css/dropbutton.css
index 5e3ea24..db59f4e 100644
--- a/css/dropbutton.css
+++ b/css/dropbutton.css
@@ -29,11 +29,6 @@
   overflow: hidden;
 }
 
-.ctools-dropbutton-processed .ctools-content ul {
-  margin: 0;
-  overflow: hidden;
-}
-
 .ctools-dropbutton-processed.open li + li {
   padding-top: 4px;
 }