diff --git a/content/common/kwant.css b/content/common/kwant.css
index e5c2a453e9ad5b24fc1f06491a0d8251746d5b57..8751431deb9305b26e8a3f7277db33f7343bf520 100644
--- a/content/common/kwant.css
+++ b/content/common/kwant.css
@@ -93,10 +93,12 @@ pre > code { border: none; padding: 0; }
 
 div.leftside {
     float: left;
+    margin: 0 2em 0 0;
 }
 
 div.rightside {
     float: right;
+    margin: 0 0 0 2em;
 }
 
 div.section{