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

html, body {
    background-color: #000;
    height          : 100%;
    width           : 100%;
}

canvas {
    border: 0;
    display: block;
    height: 600px;
    image-rendering: optimizeSpeed;
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-contrast;
    image-rendering: pixelated;
    -ms-interpolation-mode: nearest-neighbor;
    width: 600px;
}