<div id="responsive-form" class="clearfix">

<div class="form-row">
<div class="column-half">Nombre [text* first-name]</div>
<div class="column-half">Apellidos [text* last-name]</div>
</div>

<div class="form-row">
<div class="column-half">Email [email* your-email]</div>
<div class="column-half">Teléfono [text* your-phone]</div>
</div>

<div class="form-row">
<div class="column-full">Tu mensaje  [textarea your-message]</div>
</div>

<div class="form-row">
<div class="column-full">[submit "Enviar"]</div>
</div>

</div><!--end responsive-form-->

<div class="form-row"> 
<div class="column-half"> Introducir el código de seguridad[captchac captcha-1] [captchar captcha-1]</div>
</div>