--- steps/step-2/index.html	2016-09-19 12:15:06.000000000 +0200
+++ steps/step-3/index.html	2016-09-19 12:15:07.000000000 +0200
@@ -1,14 +1,26 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>Simplify tile layer setup</title>
+    <title>Make the map use the full window</title>
     <meta charset="utf-8" />
     <script src="../../bower_components/leaflet/dist/leaflet.js"></script>
     <link rel="stylesheet" href="../../bower_components/leaflet/dist/leaflet.css"/>
     <script src="../../bower_components/leaflet-providers/leaflet-providers.js"></script>
+    <style>
+      body {
+        margin: 0;
+        padding: 0;
+      }
+      #mapDiv {
+        position: absolute;
+        top: 0;
+        bottom: 0;
+        width: 100%;
+      }
+    </style>
   </head>
   <body>
-    <div id='mapDiv' style='width: 800px; height: 600px'></div>
+    <div id='mapDiv'></div>
     <script>
       var latLon = [53.56250, 9.95982];
       var zoom = 18;