Firefox Alpenglow theme is currently available in Firefox nightly build (v82). In Firefox stable version, you can install it as an add-on. It carries the shades of Alpenglow, and you can see the ascents in your Firefox windows, menus, and buttons. It also supports Windows 10 dark and light themes. Update: Alpenglow theme is now available in the stable version of Firefox v81. Check your update, if you haven’t enabled auto-update. If you’re excited to bring colors of Alpenglow to your Firefox browser, follow the steps given below. That said, currently, it is available in Firefox nightly (v82) build. Mozilla may add it to a stable version of the browser through an update soon. Meanwhile, you can enjoy it now by installing the theme as an add-on by Mozilla.
More Resources:
Customize your Chrome browser with hidden themes and wallpapersMicrosoft Edge: How to change Bing to Google SearchHow to enable Dark Mode in Chrome for Android
