body {
    font-family: sans;
    background-color: #000;
    margin: 0;
    overflow: hidden;
}

#config {
    background-color: #888;
}

#metrics {
    float: right;
    color: #DDD;
    background-color: #000;
}

#metrics input {
    width: 2em;
    color: #DDD;
    background-color: #000;
}

#mute {
    cursor: pointer;
}

#controller {
    width: 100%;
    display: flex;
}

#controller button {
    flex: 1;
    width: 100%;
    height: 40px;
    margin-top: 2px;
    margin-bottom: 2px;
}

#controller .updown {
    overflow: hidden;
}

#controller button[name="left"] {

}