http://www.venustheme.com/wp-content/themes/opal/edd_templates/edd.min.css?ver=2.1.11
http://www.wpopal.com/wp-content/themes/opal/edd_templates/edd.min.css
http://www.prestabrain.com/wp-content/themes/opal/edd_templates/edd.min.css