:root {
    background-color: gainsboro;
    font-family: "Titillium Web", sans-serif;
    --link: #37f;
    --visited: #b4f;
    --sidebar: #bbb;
}

@media (prefers-color-scheme: dark) {
    :root {
        background: #333;
        color: white;
        --link: #5af;
        --visited: #b8f;
        --sidebar: #282828;
    }
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

a {
    color: var(--link);
}

a:visited {
    color: var(--visited);
}