diff --git a/app/assets/stylesheets/annotator_overrides.scss b/app/assets/stylesheets/annotator_overrides.scss
index 7b2838c49..094a04692 100644
--- a/app/assets/stylesheets/annotator_overrides.scss
+++ b/app/assets/stylesheets/annotator_overrides.scss
@@ -100,6 +100,7 @@
 
 .annotator-hl {
   cursor: pointer;
+  background: rgba(255, 255, 10, 0.2);
 }
 
 .current-annotation {