<div class="mkdf-custom-contact2-form">
  <div class="mkdf-two-columns-form-without-space">
      <div class="mkdf-column-left">
	  [email* your-email placeholder "E-mail address"]
      </div>
      <div class="mkdf-column-right">
	  <button type="submit" class="mkdf-btn mkdf-btn-medium mkdf-btn-solid">Send</button>
      </div>
  </div>
</div>