* {
    -webkit-touch-callout: none;
    user-select: none;
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#frame {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: none;
    text-align: center;
    position: relative;
}

canvas {
    margin: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

#captions {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;

    margin: 0;
    padding: 0.5vw 5%;
    border: none;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.9vw;
    line-height: 3vw;
    text-align: center;

    color: white;
    background: rgba(0,0,0,0.6);

    pointer-events: none;
    user-select: none;
    z-index: 2;
}