The following code shows how to offset to indent columns.
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">
<script
src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script
src="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<!-- w w w. j a v a 2 s . c o m-->
</head>
<body>
<div class="container">
<div class="row">
<div class="col-xs-6 col-xs-offset-3 col1">
<h1>Hello Learnable!</h1>
</div>
</div>
</div>
</body>
</html>