anchor.diff:          type="text/css" />
   	<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.css" 
   		type="text/css" />
  -</head>
  -<body>
  +  </head>
  +  <body>
   	<div class="container">
   		<h1>Location Tracking Map</h1>
   		<div id="map" style="width: 400px; height: 400px"></div>
  
positive.code: ----
  <!DOCTYPE html>
  <html lang="en" class="no-js">
  <head>
  	<meta charset="utf-8" />
  	<meta name="viewport" content="width=device-width, initial-scale=1">
  	<title>Location Tracking Map</title>
  
negative.code: 	}
  	</script>
  	
    </body>
  </html>
  ----
  
  Next, we initialize the map with this line of code: 
  