body {
    margin: 0;
    background: #222;
}

#canvasContainer {
    height: 100vh;
    width: 100vw;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 10px;
    box-sizing: border-box;
}

#p5canvas {
    max-width: 100%;
    max-height: 100vh;
}