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>