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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: radial-gradient(circle at center, #0d0d0d, #000000);
}

canvas {
    display: block;
    filter: blur(1.5px) contrast(120%) brightness(120%);
}