:root {
    color-scheme: dark light;
    background: #11151b;
}

html,
body,
#out {
    width: 100%;
    height: 100%;
    margin: 0;
}

body {
    overflow: hidden;
    background: #11151b;
}

@media (prefers-color-scheme: light) {
    :root {
        background: #f4f6f9;
    }

    body {
        background: #f4f6f9;
    }
}