* {
    --blue: #00f;
    font-family: monospace;
    font-variant-emoji: unicode;
    font-size: 18px;
    word-break: break-all;
}

h1 {
    font-size: 22px;
}

::selection {
    background: black;
    color: white;
}

:focus-visible {
    outline: 1px solid #888;
}

a {
    color: blue;
}


/* dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }

    body {
        --blue: #36f;
        background: #222;
        color: #ddd;
    }

    ::selection {
        background: #fff;
        color: #000;
    }

    a {
        color: #36f;
    }
}