<div class="row">
            <div class="mb-3  col-md-6">
[text* first-name id:first-name class:form-control placeholder "First Name"]
              
            </div>
            <div class="mb-3  col-md-6">
             [text* last-name id:last-name class:form-control placeholder "Last Name"]
            </div>
          </div>
          <div class="row">
            <div class="mb-3 col-md-6">
             [email* email class:form-control placeholder "Email"]
            </div>
            <div class="mb-3 col-md-6">
             [tel* phone id:phone class:form-control placeholder "Phone"] 
            </div>
          </div>
          <div class="row">
            <div class="mb-3 col-md-12">
[textarea* message id:floatingTextarea class:form-control placeholder "Leave a comment here"]
            </div>
          </div>
          <div class="row">
            <div class="mb-4 col-md-12">
[submit class:btn class:btn-primary "Send"]
            
            </div>
          </div>