body {
    background-color: white;
    /* leave it to hide the scrollbars */
    overflow: hidden;
    padding: 0;
    margin: 0;
}

#main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    --cw: calc(100vw - 20px);
    --ch: calc(100vh - 20px);
}

#main > canvas {
    max-width: var(--cw);
    max-height: var(--ch);
}


#status {
    font-family: sans-serif;
    font-size: 1.5vh;
    color: black;
    z-index: 100;
    display: block;
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    top: 2%;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 0.5em 1em;
    border-radius: 2px;
    box-shadow: rgba(0, 0, 0, 0.08) 0 2px 4px;
}