diff --git a/Documentation/docs-site/static/css/theme.css b/Documentation/docs-site/static/css/theme.css
index ee040676..f7bac4a0 100644
--- a/Documentation/docs-site/static/css/theme.css
+++ b/Documentation/docs-site/static/css/theme.css
@@ -176,7 +176,7 @@ h3 {
 }
 
 h4 {
-  font-size: 1.5rem;
+  font-size: 1.4rem;
   line-height: 110% !important;
   margin: 1.5rem 0 0.75rem 0;
 }