Firefox has respected Home windows 10’s sad mode surroundings for a whereas now. But you would possibly perhaps perhaps additionally manually allow sad mode in Firefox, on any working machine, and without putting in any third-party topics. This works on Home windows 7, Home windows 10, Home windows 11, macOS, and Linux.
To alternate your Firefox theme, click on the menu button (three horizontal lines) within the discontinue correct, then click on “Add-ons and topics” within the tumble-down menu.
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Click “Topics” at the left facet of the add-ons page.
There are a handful of pre-installed topics, collectively with Dusky, Gentle, and Arrangement Default.
The Arrangement Default theme is a venerable light theme that respects your Home windows theme settings.
The Dusky theme is Firefox’s sad mode. All the issues in Firefox — collectively with the title bar, toolbars, and menus — will flip dusky or a murky shade of gray with the sad theme.
The Gentle theme makes employ of lighter grays. While you allow this theme, Firefox will employ a steady gray title bar and diversified parts, even whenever that you can hang got colored title bars enabled in Home windows.
To permit the Dusky theme — or any diversified theme — click on the “Allow” button to the greatest of it. Firefox’s theme will straight away alternate.
That you just would possibly perhaps additionally set up more topics from the Topics portion of the Mozilla Add-ons net page. The default Firefox sad theme is agreeable and minimalist, but whenever you’re wanting for one thing more particular, there are an big form of sad topics accessible.
While you happen to’ve enabled Firefox Sync, your chosen theme will be synchronized to any diversified computer systems on which you’ve signed into Firefox.