lite-vimeo {
    aspect-ratio: 16 / 9;
    background-color: #000;
    position: relative;
    display: block;
    contain: content;
    background-position: center center;
    background-size: cover;
    cursor: pointer;
    max-width: 720px;
}

/* responsive iframe with a 16:9 aspect ratio
    thanks https://css-tricks.com/responsive-iframes/ */
lite-vimeo > iframe {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    border: 0;
}

lite-vimeo > .ltv-playbtn {
    font-size: 10px;
    padding: 0;
    width: 6.5em;
    height: 4em;
    background: rgba(23, 35, 34, .75);
    z-index: 1;
    opacity: .8;
    border-radius: .5em;
    transition: opacity .2s ease-out, background .2s ease-out;
    outline: 0;
    border: 0;
    cursor: pointer;
}

/* Hover state for play button */
lite-vimeo:hover > .ltv-playbtn {
    background-color: rgb(0, 173, 239); /* Vimeo blue on hover */
    opacity: 1;
}

/* play button triangle */
lite-vimeo > .ltv-playbtn::before {
    content: '';
    border-style: solid;
    border-width: 10px 0 10px 20px;
    border-color: transparent transparent transparent #fff;
}

lite-vimeo > .ltv-playbtn,
lite-vimeo > .ltv-playbtn::before {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate3d(-50%, -50%, 0);
}

/* Post-click styles */
lite-vimeo.ltv-activated {
    cursor: unset;
}

lite-vimeo.ltv-activated::before,
lite-vimeo.ltv-activated > .ltv-playbtn {
    opacity: 0;
    pointer-events: none;
}