diff --git a/docs/_static/custom.css b/docs/_static/custom.css
index 9ce2a397..260afae5 100644
--- a/docs/_static/custom.css
+++ b/docs/_static/custom.css
@@ -12,16 +12,16 @@ dd {
 }
 
 h1 {
-    font-size: 2.6em !important;
+    font-size: 2.0em !important;
 }
 h2 {
-    font-size: 2.2em !important;
+    font-size: 1.8em !important;
 }
 h3 {
-    font-size: 2.0em !important;
+    font-size: 1.6em !important;
 }
 h4 {
-    font-size: 1.6em !important;
+    font-size: 1.4em !important;
 }
 h5 {
     font-size: 1.2em !important;