Hello, @TheOne,
1. Please copy and paste the below-given CSS code to XStore >> Theme Settings >> Theme Custom CSS >> Mobile and Tablet and check back to your site after removing the browser cache.
.et-popup {
width: 80% !important;
}
.et-popup .elementor-widget-wrap.elementor-element-populated {
padding-left: 10px !important;
padding-right: 10px !important;
}
.et-popup .et-popup-content.with-static-block {
padding-left: 10px !important;
padding-right: 10px !important;
}
2. Could you please share the screenshot of the issue so that I will check it for you accordingly and help you out?
Regards 8Themes Team.