<form id='formulario2' method='post' action='>

      <h3>Enter:</h3>

      {% csrf_token %}

​

​

     <input id="id_mesaje" name="mesaje" type="email" placeholder="E-mail"/>

    <input type='submit' name="boton2" value='Suscribete' style="display:inline-block;background-color: #80e174; "/>

 </form>

​