Bootstrap is an HTML framework that makes it easy to build good looking, mobile-friendly web sites. You can start using it with this skeleton, or you can download the respective files and serve them from your own server.
examples/html/bootstrap-skeleton.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, initial-scale=1, user-scalable=yes">
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container-fluid">
<div class="row">
<div class="col-md-1"></div>
<div class="col-md-10"></div>
<div class="col-md-1"></div>
</div>
<div class="row">
<div class="col-md-2"></div>
<div class="col-md-7">
<h1>Main Title</h1>
<h2>Sub title</h2>
</div>
<div class="col-md-3"></div>
</div>
</div>
</body>
</html>