html,
body {
    background: rgb(0, 0, 0);
    color: rgb(255, 255, 255);
    font-family: sans-serif;
    font-size: 30px;
    height: 100%;
    margin: 0;
    padding: 0;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
}

#content {
    height: 100%;
    -ms-overflow-style: none;
    overflow: hidden;
    position: relative;
    text-align: center;
}

#content.ac-player .video-js .vjs-tech {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden {
    display: none;
}