<div class="contact-form clearfix">

<div class="row">
<div class="col-sm-6">
[text* your-name class:col-xs-12 placeholder "name"]
</div>
<div class="col-sm-6">
[email* your-email class:col-xs-12 placeholder "e-mail"]
</div>
</div>

[text your-subject class:col-xs-12 placeholder "subject"]

[textarea your-message class:col-xs-12 25x4 placeholder "message"]

[submit class:btn class:btn-default "Send"]
</div>