diff --git a/demos/src/Nodes/HorizontalRule/Vue/index.vue b/demos/src/Nodes/HorizontalRule/Vue/index.vue
index 67281036..7ef9cd15 100644
--- a/demos/src/Nodes/HorizontalRule/Vue/index.vue
+++ b/demos/src/Nodes/HorizontalRule/Vue/index.vue
@@ -49,3 +49,9 @@ export default {
   },
 }
 </script>
+
+<style lang="scss">
+hr.ProseMirror-selectednode {
+  border-top: 1px solid #68CEF8;
+}
+</style>