lightspeeddevelopment/lsx-customizer

.entry-content-asset {
    display: block;
    height: 0;
    margin-bottom: $lsx-gap;
    overflow: hidden;
    padding: 0 0 56.25%;
    position: relative;

    & > iframe {
        border: 0;
        bottom: 0;
        height: 100%;
        left: 0;
        position: absolute;
        top: 0;
        width: 100%;
    }
}
// .is-type-wp-embed {
//     .entry-content-asset {
//         padding: 0 0 100%;
//     }
// }