This is the basic html template we’ll start with. Note that it includes the map container (9) in the body and its style in the head (4-6).
<html>
<head>
<title>Leaflet Squirrel - Step 0</title>
<style>
#map{ height: 100% }
</style>
</head>
<body>
<div id="map"></div>
</body>
</html>