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: '';
    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 */

/* Post-click styles */