.col-md-4.push-md-8
.col-md-2

<div class="row">
    <div class="col-md-4 push-md-8">
        <span>.col-md-4.push-md-8</span>
    </div>
    <div class="col-md-2">
        <span>.col-md-2</span>
    </div>
</div>