diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/src/style.scss b/addons/web_editor/static/src/js/editor/odoo-editor/src/style.scss
index b69a0e0c150..d25292253a0 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/src/style.scss
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/src/style.scss
@@ -130,7 +130,7 @@
     background: #222222;
     color: white;
 
-    .toolbar-bottom::before {
+    &.toolbar-bottom::before {
         content: '';
         position: absolute;
         width: 0;