diff --git a/docs/site/assets/css/page.css b/docs/site/assets/css/page.css
index 3c82fae7d63..d043677e042 100644
--- a/docs/site/assets/css/page.css
+++ b/docs/site/assets/css/page.css
@@ -180,3 +180,25 @@ header#atViewHeader {
 div > header {
   display: none !important;
 }
+
+section.body h1 {
+  font-size: 2.25em;
+  line-height: 1.2;
+}
+section.body h2 {
+  font-size: 1.75em;
+  line-height: 1.225;
+}
+section.body h3 {
+  font-size: 1.5em;
+}
+section.body h4 {
+  font-size: 1.25em;
+}
+section.body h5 {
+  font-size: 1em;
+}
+section.body h6 {
+  font-size: 0.9em;
+  font-style: italic;
+}