Scale video in ratio

video-in-ratio.scss

.wp-block-embed{
    position: relative;

    .entry-content-asset{
        width: 100%;
        height: 0;
        padding-top: 56.25%;
        position: relative;
    }

    iframe{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}