html, body {
    background-color: #000;
    margin: 0;
    padding: 0;
}

canvas {
    display: block;
}


/* Menu sidebar */

#menu-button {
    background-color: #22313F;
    color: #19B5FE;
    height: 30px;
    position: fixed;
    text-shadow: 1px 1px 0px #000;
    top: 0;
    width: 220px;
    z-index: 2;
}

#menu {
    background-color: #22313F;
    bottom: 0;
    display: none;
    left: 0;
    max-height: 100%;
    overflow-y: auto;
    padding: 20px;
    position: fixed;
    top: 30px;
    width: 180px;
    z-index: 1;
}

#menu h1 {
    color: #19B5FE;
    margin: 0;
    text-shadow: 1px 1px 0px #000;
}