Hello, MAHDAR,
Add the next code in Theme Options > Theme custom CSS > Global:
@media (max-width: 900px) {
.et-request-quote-popup .et-popup {
width: 80% !important;
}
.et-request-quote-popup .et-popup .elementor-widget-wrap.elementor-element-populated {
padding-left: 10px !important;
padding-right: 10px !important;
}
.et-request-quote-popup .et-popup .et-popup-content.with-static-block {
padding-left: 10px !important;
padding-right: 10px !important;
}
}
Kind Regards,
8theme team