diff --git a/stylesheets/style.css b/stylesheets/style.css
index 6d1d1829..6991c84c 100644
--- a/stylesheets/style.css
+++ b/stylesheets/style.css
@@ -906,7 +906,8 @@ pre {
   display: block;
   width: 100%;
   height: 100%;
-  margin-top: 0px;
+  max-width: 620px;
+  margin: auto;
 }
 
 .mentioned {