diff --git a/docs/source/_static/nature.css b/docs/source/_static/nature.css
index ecb5ce44a6..81f2fb719c 100644
--- a/docs/source/_static/nature.css
+++ b/docs/source/_static/nature.css
@@ -40,6 +40,7 @@ hr {
 
 div.document {
     background-color: #eeeeea;
+    max-width: 1090px;
 }
 
 div.body {