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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: black;
}

canvas {
    display: block;
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}