diff --git a/docs/_includes/header.html b/docs/_includes/header.html
index 075dac9..4f63df1 100644
--- a/docs/_includes/header.html
+++ b/docs/_includes/header.html
@@ -9,6 +9,7 @@
   cursor: pointer;
   padding: 14px 16px;
   font-size: 17px;
+  width: 25% -2px;
 }
 
 .headerlink:hover {