Subscribe to Newsletter form
<form id="regform" method="post" action="https://CUSTNAME-email.brtapp.com/subscribe" target="_blank">
<div class="input-group">
<input type="text" class="form-control" placeholder="enter your email address" aria-label="Subscriber's email address" aria-describedby="subscribe" onfocus="if (this.value == 'your email') {this.value = '';}" onblur="if (this.value == '') {this.value = 'Enter your email address';}">
<div class="input-group-append">
<span class="input-group-text" id="subscribe">Subscribe</span>
</div>
</div>
</form>