body {
    position: fixed;
    left: 0px;
    right: 0px;
    top: 0px;
    bottom: 0px;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.stretch {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    position: absolute;
    overflow: hidden;
}

body #crawl-content {
    display: none;
}

body.playing #crawl-content {
    display: block;
}

body.playing #play-container {
    display: none;
}

#play-container button {
    font-family: sans-serif;
    font-size: 7vw;
    color: black;
    background: linear-gradient(green, orange);
    border-color: red;
    border-radius: 10px;
    position: absolute;
    margin: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#play-container button.disabled {
    color: gray;
}

#crawl-container {
    perspective: calc(100vh * 0.4);
}

#crawl {
    color: #f5c91c;
    position: absolute;
    width: 110%;
    left: -5%;
    bottom: -5%;
    height: 200%;
    overflow: hidden;

    transform: rotate3d(1, 0, 0, 45deg);
    transform-origin: 50% 100%;

    mask-image: linear-gradient(rgba(0, 0, 0, 0),
            rgba(0, 0, 0, 0.66),
            rgba(0, 0, 0, 1));

    -webkit-mask-image: -webkit-linear-gradient(rgba(0, 0, 0, 0),
            rgba(0, 0, 0, 0.66),
            rgba(0, 0, 0, 1));
}

#crawl-content {
    font-family: "Roboto";
    font-size: calc(100vw * 0.074);
    letter-spacing: 0.09em;
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
}

#crawl p {
    text-align: justify;
    width: 100%;
    margin: 0 0 1.25em 0;
    line-height: 1.25em;
}

#crawl h1 {
    font-size: 1em;
    margin: 0 0 0.3em 0;
}

#crawl h2 {
    font-size: 1.5em;
    margin: 0 0 0.7em 0;
}

#crawl h1,
#crawl h2 {
    text-align: center;
}