diff --git a/routes/css.cpp b/routes/css.cpp
index 7832b80..de2148e 100644
--- a/routes/css.cpp
+++ b/routes/css.cpp
@@ -264,7 +264,7 @@ svg {
     width: 100%;
     height: 15em;
 }
-.about_page-about summary, .about_page-rules summary {
+.about_page-about > summary, .about_page-rules > summary {
     font-size: 130%;
     font-weight: bold;
 }