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

body {
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background: black;
}

canvas {
    display: block;
    width: 100vw;
    height: 100vh;
    image-rendering: pixelated;
}