* {
    margin: 0;
    padding: 0;
}

html, body {
    background-color: #eaeaea;
}

@media (prefers-color-scheme: dark) {
    html, body {
        background-color: #111;
    }
}

#container {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: inherit;
    user-select: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}