<div class="row">
 <div class="col-md-12 col-lg-4 col-xl-4">
   <div class="input-filled">[text* first-name placeholder "First name.."]</div>
 </div>
 <div class="col-md-12 col-lg-4 col-xl-4">
   <div class="input-filled">[text* last-name placeholder "Last name.."]</div>
 </div>
 <div class="col-md-12 col-lg-4 col-xl-4">
   <div class="input-filled">[email* your-email placeholder "Email Address.."]</div>
 </div>
</div>
<div class="row">
 <div class="col-12">
   <div class="input-filled">[textarea* your-message placeholder "Message.."]</div>
 </div>
 <div class="col-12">
   <div class="input-filled">[submit class:btn "Submit"]</div>
 </div>
</div>