<div id="responsive-form" class="clearfix">

<div class="form-row">
<div class="column-half">[text* first-name placeholder="First Name"]</div>
<div class="column-half">[text* last-name placeholder="Last Name"]</div>
</div>

<div class="form-row">
<div class="column-half">[email* your-email placeholder="Email"]</div>
<div class="column-half">[text* your-subject placeholder="Phone"]</div>
</div>

<div class="form-row">
<div class="column-full">[text* your-message placeholder="Message"]</div>
</div>

<div class="form-row">
<div class="column-full">[submit "Contact Us"]</div>
</div>

</div><!--end responsive-form-->