$menu-background-color: dynamic(#1b1b1b);
$menu-item-active-background-color: dynamic($focus-background-color);
$menu-glyph-color: dynamic($font-color);
$menu-item-active-text-color: dynamic($focus-font-color);
$menu-item-background-gradient: dynamic($base-gradient);
$menu-separator-background-color: dynamic($body-background-color);
$menu-text-color: dynamic(contrast-color-by($body-background-color, 100));