.block-column {
    position: relative;
}
.block-column__content > .wp-block-embed:first-child:last-child {
    margin: 0;
    min-height: 426px;
}
.block-column__content > .wp-block-embed:first-child:last-child iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.block-column__content > .wp-block-heading:first-child,
.block-column__content > .wp-block-image:first-child {
    margin-top: 0;
}

@media screen and (max-width: 1279px) {
    .block-column__content > .wp-block-embed:first-child:last-child iframe {
        height: auto;
    }
}
@media screen and (max-width: 767px) {
    .block-column__content > .wp-block-embed:first-child:last-child {
        min-height: 0;
        aspect-ratio: 16/9;
    }
}