If you have recently changed your Firefox theme and are now looking for a way to make the background of the New Tab and about:blank pages match, this article will show you how to do so. As an example, we will change the background from white to dark grey, however, you can change it to any colour you like.As we recently wrote an article showing you how to create your own custom Firefox browser themes, it seemed like a good idea to follow that article up with one showing you how to change the colour of the New Tab and about:blank pages as well. Although this generally isn’t considered part of a Firefox theme, I personally think it is just as important a part of the theming process, though sadly, a little more complicated than the process shown in our first article. Which you can find a link to below. Although the process for changing the New Tab and about:blank page colour on Firefox isn’t as easy as changing your theme, it’s not as hard as you might think. It will be even easier if you are simply trying to change it to a dark theme, as you will be able to copy and paste all of the following code without making any changes.
Having done that, install Google Background userscript and open Google homepage in a new tab. You will now see the Change background link on Google homepage in Firefox. Click on it and provide the.
So without further adieu let’s begin.Note: If you would like to use the Custom Firefox Color theme I am using, you can find itHow Do You Change the New Tab and about:blank Page Colour on Firefox?To kick-start the process of changing the New Tab page colour on Firefox, open Firefox into the main window, then click the Hamburger icon in the top right-hand corner and select HelpNext click Troubleshooting Information.Now on this page click Open Folder, next to Profile Folder. This will take you straight to your Firefox profile folder and save you a ton of time searching for it using File Explorer.Once you have this folder open, right-click and create a New Folder called chrome.For the next step enter the newly created chrome folder and create a new Text Document, called userChrome.css you will need to replace.txt with.css for the file format to change. (This will require you to accept a warning prompt)Note: If you can’t view or change the file type, click View at the top of File Explorer and make sure File Name Extensions is ticked.Now that you have a file called userChrome.css, double-click on it to open Notepad, then paste the following text into the open note.