For subscription box, as shown on demo site:
1. Make sure you have installed ‘MailChimp for WP’ as recommended by the theme.
2. Connect your MailChimp account with the plugin by going to?‘MailChimp for WP’ > ‘MailChimp’ > ‘MailChimp API Settings’. You can get your API key by going to?https://admin.mailchimp.com/account/api?.
3. Now, create form by going to?‘Mailchimp for WP’ > ‘Forms’. Use following code for creating form.
<div class="durja-subscribe-card">
<div class="card-block">
<h6 class="title"><i class="fa fa-money"></i> Interested in Discounts?</h6>
<p class="text-muted">
<small>Subscribe here and get email when we offer discounts!</small>
</p>
<input type="email" name="EMAIL" placeholder="Your email address" required="" class="form-control">
<input type="submit" value="Sign up" class="btn btn-primary">
</div>
</div>
4. Go to?‘Appearance’ > ‘Widgets’. Add ‘MailChimp Sign-up Form’ to the Sidebar.
You should see the MailChimp subscription form as shown on demo site.