body {
    padding: 0;
    margin: 0;
    background: #1c1c1c;
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
canvas {
    background: #d1d1d1;
    overflow: hidden;
    border-radius: 4px;
}