diff --git a/source/options/scss/components/page-main.scss b/source/options/scss/components/page-main.scss
index b280c3c..864cb04 100644
--- a/source/options/scss/components/page-main.scss
+++ b/source/options/scss/components/page-main.scss
@@ -69,6 +69,7 @@
 
   summary {
     cursor: pointer;
+    font-weight: bold;
     padding: 16px;
 
     &:hover {