html,
body {
    background: var(--color-bg);
    color: var(--color-text-main);
}

body {
    transition:
        background-color var(--transition-base, 250ms ease),
        color var(--transition-base, 250ms ease);
}

body { font-family: var(--font-family); }
a { color: var(--color-primary); }