diff --git a/css/_toolbars.scss b/css/_toolbars.scss
index fa6dc43c0..22fb5d155 100644
--- a/css/_toolbars.scss
+++ b/css/_toolbars.scss
@@ -226,11 +226,11 @@
             width: 37px;
         }
 
-        .button:first-child {
+        .toolbar-button-wrapper:first-child .button {
             border-top-left-radius: 3px;
             border-top-right-radius: 3px;
         }
-        .button:last-child {
+        .toolbar-button-wrapper:last-child .button {
             border-bottom-right-radius: 3px;
             border-bottom-left-radius: 3px;
         }