:root {
    color-scheme: light dark;

    --primary-color: #fff;
    --secondary-color: #000;
}

@media (prefers-color-scheme: dark) {
    :root {
    --primary-color: #000;
    --secondary-color: #fff;
    }
}

html {
    height: 100%;
    background-color: var(--primary-color);

    body {
        height: 100%;
        background-color: var(--primary-color);

        color: var(--secondary-color);
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0;

        svg {
            max-height: 100vh;
            max-width: 100vw;

            path {
                fill: var(--secondary-color);
            }

            rect {
                fill: var(--primary-color);
            }
        }
    }
}