<form
class="nl"
onsubmit="
event.preventDefault();
this.querySelector('input').value = '';
alert('Subscribed!');
"
>
<h3>Stay in the loop</h3>
<p>Weekly design tips. No spam, ever.</p>
<div class="grp">
<input type="email" placeholder="you@email.com" required />
<button>Subscribe -></button>
</div>
</form>
