:root {
    --bg-color: #E9E9E9;
    --text-color: #222222;
    --nav-bg-color: rgba(30, 30, 30, 0.70);
    --nav-button-bg-color: rgba(30, 30, 30, 0.25);
    --nav-button-text-color: #E9E9E9;
}

[data-theme="dark"] {
    --bg-color: #222222;
    --text-color: #E9E9E9;
    --nav-bg-color: rgba(60, 60, 60, 0.70);
    --nav-button-bg-color: rgba(60, 60, 60, 0.25);
    --nav-button-text-color: #E9E9E9;
}