diff --git a/themes/Default/common.css b/themes/Default/common.css
index 11568f2a2ccab07693808e71f88de4f79ab78aaa..555d597c7448bc69d0be442ba56af434d1fa176e 100644
--- a/themes/Default/common.css
+++ b/themes/Default/common.css
@@ -568,6 +568,11 @@ border {
   color: @fg-color;
 }
 
+/* Define popover image button padding */
+popover button {
+  padding: 4px 9px;     
+}
+
 /* Top menu items  */
 
 /* give the menu bar a color, fix for the default color being too dark */