diff --git a/public/style.css b/public/style.css
index b894ae4..b8b9db8 100644
--- a/public/style.css
+++ b/public/style.css
@@ -173,11 +173,11 @@ span.applink {
   margin-bottom: 0;
 }
 
-.btn-group-justified .btn-group:first-child > .btn {
+.column-menu .btn-group:first-child > .btn {
     border-left: none;
 }
 
-.btn-group-justified .btn-group:last-child > .btn {
+.column-menu .btn-group:last-child > .btn {
     border-right: none;
 }