<p class="sib-email-area">
    <label class="sib-email-area">Indirizzo Email*</label>
<br />
    <input type="email" class="sib-email-area" name="email" required="required">
</p>
<p class="sib-NAME-area">
    <label class="sib-NAME-area">Nome</label>
<br />
    <input type="text" class="sib-NAME-area" name="NAME" >
</p>
<p>
    <input type="submit" class="sib-default-btn" value="Iscriviti">
</p>