bootstrap container

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<div class="container">
    <div class="starter-template">
         <h1>Bootstrap starter template</h1>

        <p class="lead">Use this document as a way to quickly start any new project.
            <br>All you get is this text and a mostly barebones HTML document.</p>
    </div>
    <div class="row">
        <div class="col-xs-6 pod-a">a</div>
        <div class="col-xs-6 pod-b">b</div>
    </div>
</div>
<div class="make-relative">
        <div class="container">
            <div class="row">
                <div class="col-xs-6 pod-c">c</div>
                <div class="col-xs-6 pod-d make-absolute">d</div>
            </div>
        </div>
</div>
<!-- /.container -->

CSS

.pod-a {
    background:red
}
.pod-b {
    background:green
}
.pod-c {
    background:red
}
.pod-d {
    background:green
}
.make-relative {
    position:relative
}
.make-absolute {
    position:absolute;
    right:0;
    top:0;
}