diff --git a/themes/rc3/css/base.css b/themes/rc3/css/base.css
index d217d910d19cce0c928b478f7a9b536caf15d1f6..c2765986fb22d875162d85715424d3d59b9d5b9f 100644
--- a/themes/rc3/css/base.css
+++ b/themes/rc3/css/base.css
@@ -290,6 +290,7 @@ footer a:hover {
 .rc-content-box > h2 {
     margin-bottom: 1.5rem;
     font-family: var(--font-bold);
+    font-size: calc(var(--font-base) * 1.2);
 }
 .rc-content-box > p,
 .rc-content-box > ul {