diff --git a/css/ebi-global.scss b/css/ebi-global.scss
index 2192e593d56685a9bf975afa20c8c1abcb03ac7c..544cced3bf6e4bfac83e6d6980f85daafc8047e9 100644
--- a/css/ebi-global.scss
+++ b/css/ebi-global.scss
@@ -504,7 +504,7 @@ a:active {
     }
     .button.hover,
     .button:hover { background-color: #888; }
-    .button::after {
+    .button[aria-expanded="false"]::after {
       content: '';
       display: block;
       width: 0;