body {
    width: 100vw;
    height: 100vh;
    background-color: #000000;
    opacity: 1;
    background-image: linear-gradient(#151515 0.7000000000000001px, transparent 0.7000000000000001px), linear-gradient(to right, #151515 0.7000000000000001px, #000000 0.7000000000000001px);
    background-size: 14px 14px;
}

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

canvas {
    display: block;
}