Ok we have managed to show as per your required ratio that gets approximately fit for 1280px * 720px.
Please go to ‘Appearance > Customize > Additional CSS’ and paste the below Custom CSS Code.
.post-img-wrap:before,
.page-single-img-wrap:before,
.site-footer .newscard-widget-horizontal-vertical-posts .post-boxed.main-post .post-img-wrap:before {
padding-top: 56%;
}
.featured-section .featured-slider .post-block .post-img-wrap:before {
padding-top: calc(56% + 4px);
}
@media (max-width: 1199px) {
.featured-section .featured-slider .post-block .post-img-wrap:before {
padding-top: calc(80%);
}
}
@media (max-width: 991px) {
.featured-section .featured-slider .post-block .post-img-wrap:before,
.featured-style-2 .featured-slider .post-block .post-img-wrap:before {
padding-top: 56%;
}
}
@media (max-width: 575px) {
.featured-section .featured-post .post-img-wrap:before,
.featured-style-2 .featured-post .post-img-wrap:before {
padding-top: 56%;
}
}
Thanks