diff --git a/index.html b/index.html
index d5b1d70..4cafb20 100644
--- a/index.html
+++ b/index.html
@@ -10,6 +10,7 @@
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/pure/0.6.2/grids-responsive-min.css">
     <style>
       html, .pure-g [class *= "pure-u"] {
+        background-color: white;
         font-family: "Open Sans", sans-serif;
       }
       pre {