lite-youtube {
    background-color: #000;
    position: relative;
    display: block;
    contain: content;
    background-position: center center;
    background-size: cover;
    cursor: pointer;
    max-width: 100%;
}

    /* gradient */
    lite-youtube::before {
        content: '';
        display: block;
        position: absolute;
        top: 0;
        background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAADGCAYAAAAT+OqFAAAAdklEQVQoz42QQQ7AIAgEF/T/D+kbq/RWAlnQyyazA4aoAB4FsBSA/bFjuF1EOL7VbrIrBuusmrt4ZZORfb6ehbWdnRHEIiITaEUKa5EJqUakRSaEYBJSCY2dEstQY7AuxahwXFrvZmWl2rh4JZ07z9dLtesfNj5q0FU3A5ObbwAAAABJRU5ErkJggg==);
        background-position: top;
        background-repeat: repeat-x;
        height: 60px;
        padding-bottom: 50px;
        width: 100%;
        transition: all 0.2s cubic-bezier(0, 0, 0.2, 1);
    }

    /* 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;
        width: 68px;
        height: 48px;
        position: absolute;
        cursor: pointer;
        transform: translate3d(-50%, -50%, 0);
        top: 50%;
        left: 50%;
        z-index: 1;
        background-color: transparent;
        /* 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>');
        filter: grayscale(100%);
        transition: filter .1s cubic-bezier(0, 0, 0.2, 1);
        border: none;
    }

    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;
}