Three columns row

 
<div class="form-row-3">
<div class="form-group">
    <label for="firstName">First Name</label>
    [text* first-name id:firstName autocomplete:given-name placeholder "Dean"]
</div>
<div class="form-group">
    <label for="lastName">Last Name</label>
    [text* last-name id:lastName autocomplete:family-name placeholder "Winchester"]
</div>
<div class="form-group">
    <label for="yourEmail">Email</label>
    [email* your-email id:yourEmail autocomplete:email placeholder "flynt@bleech.de"]
</div>
</div>