apply font weight bold to h4

diff --git a/src/css/doc.css b/src/css/doc.css
index c7759de..a2e1a11 100644 (file)
--- a/src/css/doc.css
+++ b/src/css/doc.css
@@ -69,7 +69,8 @@
   padding: 0.4rem 1rem 0.1rem;
 }
 
-.doc h3:not(.discrete) {
+.doc h3:not(.discrete),
+.doc h4:not(.discrete) {
   font-weight: var(--alt-heading-font-weight);
 }