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

canvas {
    display: block;
    width: 100vw;
    height: 100vh;
}
footer {
    position: fixed;
    bottom: 12px;
    left: 16px;

    font-family: sans-serif;
    font-size: 12px;

    z-index: 10;
}

footer a {
    color: rgba(255, 255, 255, 0.35);
    text-decoration: none;

    transition: color 0.3s ease;
}

footer a:hover {
    color: rgba(255, 255, 255, 0.8);
}

#audioControls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 20;

    color: rgba(255, 255, 255, 0.7);
    font-family: sans-serif;
    font-size: 11px;
}

#micButton {
    padding: 8px 12px;

    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;

    background: rgba(0, 0, 0, 0.5);
    color: rgba(255, 255, 255, 0.75);

    cursor: pointer;
}

#micButton:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
}

#audioLevels {
    display: none;
    margin-top: 12px;
    width: 140px;
}

#audioLevels > div {
    margin-bottom: 7px;
}

.meter {
    margin-top: 3px;
    height: 3px;
    background: rgba(255, 255, 255, 0.15);
}

.meter div {
    height: 100%;
    width: 0%;
    background: white;
    transition: width 0.05s linear;
}