Hello,
4. Please read our documentation http://xstore.helpscoutdocs.com/article/48-widgets-custom-widget-areas
I’ve created “Default-New-Prefooter+Footer” static block on your site, try to add this, using static block widget, in Pre Footer Area. Also, please read http://xstore.helpscoutdocs.com/article/66-mailchimp-form-custom-styles.
3. Have you sorted out http://prntscr.com/i1kzgv ?
Regards