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>