diff --git a/src/painter/style.scss b/src/painter/style.scss
index b948afb..3f331a8 100644
--- a/src/painter/style.scss
+++ b/src/painter/style.scss
@@ -168,7 +168,7 @@
   color-scheme: dark;
   border-color: $color-border-dark;
   .toolbar,
-  .tools {
+  .tool-box {
     border-color: $color-border-dark;
   }
   .tool {