diff --git a/web/index.html b/web/index.html
index f43bfc9..add295b 100644
--- a/web/index.html
+++ b/web/index.html
@@ -38,9 +38,14 @@
   </script>
   <!-- This script adds the flutter initialization JS code -->
   <script src="flutter.js" defer></script>
+  <style>
+    body {
+      margin: 0;
+    }
+  </style>
 </head>
 <body>
-  <div style="width: 100%; height: 100%;">
+  <div style="width: 100%; height: 100%; position: absolute;">
     <div id="left" style="width: 50%; height: 100%; float: left;"></div>
     <div id="right" style="width: 50%; height: 100%; float: left;"></div>
   </div>
