* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #1c1b1c;
    overflow: hidden;
}

#muteButton {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10;

    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;

    padding: 10px 14px;
    font-size: 20px;
    cursor: pointer;
}

canvas {
    display: block;
}