.bv-background-video {
    position: relative;
    overflow: hidden;
    width: var(--bv-width);
    max-width: 100%;
    aspect-ratio: var(--bv-ar-w) / var(--bv-ar-h);
}

.bv-background-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    pointer-events: none;
}

.bv-background-video:not(.bv-cover) iframe {
    transform: scale(var(--bv-zoom, 1));
    transform-origin: center center;
}

.bv-cover iframe {
    width: 100%;
    height: 100%;
}