index.html
<!DOCTYPE html>
<html>
<head>
<title>CartoDB Workshop | CartoDB.js</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<link rel="shortcut icon" href="//cartodb.com/assets/favicon.ico" />
<style>
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
}
#btn {
position: absolute;
top: 60px;
right: 20px;
padding: 0;
}
#btn ul {
padding: 0; margin: 0;
list-style-type: none;
}
#btn li {
border-bottom: 1px solid #999;
padding: 15px 30px;
font-family: "Helvetica", Arial;
font-size: 13px;
color: #444;
cursor: auto;
}
#btn li:hover {
background-color: #eee;
cursor: pointer;
}
#btn li.selected {
background-color: #fff;
}
</style>
<link rel="stylesheet" href="//libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" />
</head>
<body>
<div id="map"></div>
<div id="btn" class="cartodb-infobox">
<ul>
<li id="first" class="selected">Do Something</li>
</ul>
</div>
<script src="//libs.cartocdn.com/cartodb.js/v3/cartodb.js"></script>
<script>
function main() {
}
window.onload = main;
</script>
</body>
</html>