diff --git a/src/templates/index.html b/src/templates/index.html
index 4a45d6a54..b1d34eb4f 100644
--- a/src/templates/index.html
+++ b/src/templates/index.html
@@ -9,9 +9,11 @@
         <link rel="shortcut icon" href="favicon.ico">
 
         <style>
+            html, body {
+              height: 100%;
+            }
             body {
               margin: 0;
-              height: 100%;
               color: #333;
               font: 14px helvetica, sans-serif;
               background: #ddd;