html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    background: url(/img/background2.jpg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

canvas {
    flex-shrink: 0;
    background: url(/img/background2.jpg);
    object-fit: contain;
}

.crisp {
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-crisp-edges;
    image-rendering: pixelated;
}