lite-youtube {    background-color: #000;    position: relative;    display: block;    contain: content;    background-position: center center;    background-size: cover;    cursor: pointer;    max-width: 720px;}/* gradient */lite-youtube::before {    content: attr(data-title);    display: block;    position: absolute;    top: 0;    /* Pixel-perfect port of YT's gradient PNG, using https://github.com/bluesmoon/pngtocss plus optimizations */    background-image: linear-gradient(180deg, rgb(0 0 0 / 67%) 0%, rgb(0 0 0 / 54%) 14%, rgb(0 0 0 / 15%) 54%, rgb(0 0 0 / 5%) 72%, rgb(0 0 0 / 0%) 94%);    height: 99px;    width: 100%;    font-family: "YouTube Noto",Roboto,Arial,Helvetica,sans-serif;    color: hsl(0deg 0% 93.33%);    text-shadow: 0 0 2px rgba(0,0,0,.5);    font-size: 18px;    padding: 25px 20px;    overflow: hidden;    white-space: nowrap;    text-overflow: ellipsis;    box-sizing: border-box;}lite-youtube:hover::before {    color: white;}/* responsive iframe with a 16:9 aspect ratio    thanks https://css-tricks.com/responsive-iframes/*/lite-youtube::after {    content: "";    display: block;    padding-bottom: calc(100% / (16 / 9));}lite-youtube > iframe {    width: 100%;    height: 100%;    position: absolute;    top: 0;    left: 0;    border: 0;}/* play button */lite-youtube > .lty-playbtn {    display: block;    /* Make the button element cover the whole area for a large hover/click target… */    width: 100%;    height: 100%;    /* …but visually it's still the same size */    background: no-repeat center/68px 48px;    /* YT's actual play button svg */    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 68 48"><path d="M66.52 7.74c-.78-2.93-2.49-5.41-5.42-6.19C55.79.13 34 0 34 0S12.21.13 6.9 1.55c-2.93.78-4.63 3.26-5.42 6.19C.06 13.05 0 24 0 24s.06 10.95 1.48 16.26c.78 2.93 2.49 5.41 5.42 6.19C12.21 47.87 34 48 34 48s21.79-.13 27.1-1.55c2.93-.78 4.64-3.26 5.42-6.19C67.94 34.95 68 24 68 24s-.06-10.95-1.48-16.26z" fill="red"/><path d="M45 24 27 14v20" fill="white"/></svg>');    position: absolute;    cursor: pointer;    z-index: 1;    filter: grayscale(100%);    transition: filter .1s cubic-bezier(0, 0, 0.2, 1);    border: 0;}lite-youtube:hover > .lty-playbtn,lite-youtube .lty-playbtn:focus {    filter: none;}/* Post-click styles */lite-youtube.lyt-activated {    cursor: unset;}lite-youtube.lyt-activated::before,lite-youtube.lyt-activated > .lty-playbtn {    opacity: 0;    pointer-events: none;}.lyt-visually-hidden {    clip: rect(0 0 0 0);    clip-path: inset(50%);    height: 1px;    overflow: hidden;    position: absolute;    white-space: nowrap;    width: 1px;  }