diff --git a/editor/src/styles.scss b/editor/src/styles.scss
index 18e0639..e3735e9 100644
--- a/editor/src/styles.scss
+++ b/editor/src/styles.scss
@@ -191,14 +191,15 @@ textarea {
 
 mark {
   background: #ffff99;
+  outline: 4px solid #ffff99;
 }
 
-.content mark::before {
+.root mark::before {
   content: "==";
   color: #999;
 }
 
-.content mark::after {
+.root mark::after {
   content: "==";
   color: #999;
 }