<div class="row">
   <div class="col-sm-6 col-xs-12">[text* your-name placeholder "Your Name"]</div>
   <div class="col-sm-6 col-xs-12">[email* your-email placeholder "Email Address"]</div>
</div>
<div class="row">
   <div class="col-sm-6 col-xs-12">[text* your-name placeholder "Phone Number"]</div>
   <div class="col-sm-6 col-xs-12">[text your-subject placeholder "Subject"] </div>
</div>
<div class="row">
   <div class="col-sm-12 col-xs-12">[textarea your-message placeholder "Write message"] </div>
   <div class="col-sm-12 col-xs-12 action text-left"><span class="btn-black form-action">[submit "Send a Message"]</span></div>
</div>