& {
	//Classic (Default/Fallback), Mac OS X, macOS, Chromium OS
	// Titlebar
	--default-titlebar-active: rgb(204,204,204);
	--default-titlebar-inactive: rgb(245,245,245);
	--default-titlebar-color: rgb(204,204,204);
	--default-titlebar-foreground: black;
	--default-titlebar-foreground-inactive: black;
	--default-titlebar-foreground-cros: #5A5A5A;
	--default-titlebar-foreground-cros-inactive: #5A5A5A;

	// Tabs
	--default-inactive-tab-background-native: rgb(206, 206, 206, 0.78);
	--default-inactive-tab-background: #d0d0d0;
	--default-selected-tab-background: var(--default-nav-bar);
	--default-tabbrowser-tab-color: black;

	// Navbar
	--default-nav-bar: rgb(242,242,242);
	--default-toolbarbutton-background-hot: rgba(0,0,0,.09);
	--default-toolbarbutton-background-pressed: rgba(0,0,0,.18);
	--default-toolbarbutton-icon-color: #5a5a5a;
	--default-bookmark-icon-fill: rgb(66,133,244);

	// Personal Toolbar (Bookmarks)
	--default-personal-toolbar: var(--default-nav-bar);
	--default-personal-toolbar-floating: rgb(255,255,255);
	--default-personal-toolbar-floating-border: rgb(219,218,219);
	--default-personal-toolbar-item-hover-bg: rgba(0,0,0,.08);
	--default-personal-toolbar-item-active-bg: rgba(0,0,0,.16);
	--default-bookmark-item-hover-color: black;

	// Download Shelf
	--default-gkdownload-shelf-background: #F2F2F2;

	@mixin dark {
		// Titlebar
		--default-titlebar-active: rgb(40,43,45);
        --default-titlebar-inactive: rgb(56,59,61);
		--default-titlebar-color: rgb(40,43,45);
		--default-titlebar-foreground: white;
		--default-titlebar-foreground-inactive: white;
		--default-titlebar-foreground-cros: white;
		--default-titlebar-foreground-cros-inactive: white;

		// Tabs
		--default-inactive-tab-background-native: rgb(53, 53, 53, 0.78);
		--default-inactive-tab-background: #373737;
		--default-selected-tab-background: var(--default-nav-bar);
		--default-tabbrowser-tab-color: white;

		// Navbar
		--default-nav-bar: rgb(80,80,80);
		--default-toolbarbutton-icon-color: white;

		// Personal Toolbar
		--default-personal-toolbar: var(--default-nav-bar);
		--default-personal-toolbar-floating: rgb(67,67,67);
		--default-personal-toolbar-floating-border: rgb(78,78,78);
		--default-bookmark-item-color: white;

		// Download Shelf
		--default-gkdownload-shelf-background: var(--default-nav-bar);
	}
	@media (prefers-color-scheme: dark) {
		@include dark;
	}
    &[privatebrowsingmode="temporary"] {
		@include dark;
    }

	&[privatebrowsingmode="temporary"] {
		// Tabs
		--default-tabbrowser-tab-color-inactive: white;
	}

	// GTK+ (rest in peace, icon set icons on toolbar)
	&[gksystheme="gtk"]:not([gkthemed], [gkchrthemed]) {
		// Titlebar (now flattened like in ~59)
		--default-titlebar-active: ActiveCaption;
        --default-titlebar-inactive: InactiveCaption;
		--default-titlebar-foreground-cros: CaptionText;
        --default-titlebar-foreground-cros-inactive: InactiveCaptionText;

		// Tabs
		--default-inactive-tab-background: -moz-dialog;
		--default-selected-tab-background: var(--default-nav-bar);
		--default-tabbrowser-tab-color: FieldText;
		--default-tabbrowser-tab-color-inactive: -moz-dialogtext;

		// Navbar
		--default-nav-bar: Field;
		--default-toolbarbutton-background-hot: color-mix(in srgb, FieldText 9%, transparent); // TODO: verify
		--default-toolbarbutton-background-pressed: color-mix(in srgb, FieldText 18%, transparent); // TODO: verify
		--default-toolbarbutton-icon-color: FieldText;
		--default-bookmark-icon-fill: AccentColor;

		// Personal Toolbar (Bookmarks)
		--default-personal-toolbar: var(--default-nav-bar);
		--default-personal-toolbar-floating: Field;
		--default-personal-toolbar-item-hover-bg: color-mix(in srgb, FieldText 8%, transparent); // TODO: verify
		--default-personal-toolbar-item-active-bg: color-mix(in srgb, FieldText 16%, transparent); // TODO: verify
		--default-bookmark-item-hover-color: FieldText;
		--default-bookmark-item-color: FieldText;

		&[privatebrowsingmode="temporary"] {
			// Titlebar (now flattened like in ~59)
			--default-titlebar-active: var(--incognito-active);
			--default-titlebar-inactive: var(--incognito-inactive);
		}
	}

	// Geckium You
	// No. IT IS GREY, it literally WON'T recolour.
}