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Recently we told you about Mozilla Firefox 4.0 theme mockups which were released by Mozilla Wiki. Mozilla Wiki have also talked about Firefox 3.7 theme mockups and "BoneyardBrew" along with "SoapyHamHocks" @ DeviantART created a theme which can bring almost same look to Mozilla Firefox 3.5 and above versions.

Now we are going to share Mozilla Firefox 4.0 mockup theme with you all.

Instructions for making Firefox 3.5 or 3.6a1 look like Firefox 4.0

firefox 4.0 theme for 3.5

1. Move the stop button after the urlbar, and the reload button straight after the stop button (this is essential to merge the stop and reload buttons together).

2. Now you can install the theme as usual. To do this, open the addons window and drag the file "strata40_v02.jar" from the following archive: [link] into the window.

3. Go here: [link] to download the Firefox addon, Personal Menu. Once you have it installed three new toolbar buttons will appear after the stop / reload button. You can customize these as you wish, or remove them like any other toolbar button.

4a. This step is for Vista and Windows 7 users only. Go here: [link] to download an addon called "All Glass Firefox Mod" (based on Glasser). Once installed it will give everything a nice, glassy, "aero" look, like most Vista or Windows 7 applications (such as IE7/8).

4b. Install the Firefox addon, Stylish, found here: [link]

4c. Bundled with the archive containing the theme is a txt file. Open this in any text editor such as Notepad or Wordpad and copy the contents to clipboard. Paste the contents into a blank Stylish style. Name it something like "Strata40 - Glasser Fixes" and make sure it is activated. This will fix up a few things that were overridden by the glass addon.

5. Go here: [link] to download an addon called "Fission". Once this is installed, go back to the archive included and extract the file called loading_progress.png. Put this file somewhere safe, so it won't be deleted. Go into the "Fission" addon's options and click "browse" and select the png file. This will let you have a small loading bar underneath the urlbar, like in Firefox 4.

6. Go here: [link] to be able to use the urlbar as a search bar too. You may now remove the search bar next to the urlbar.

NOTE: For Firefox 3.6 users, you may need to download something called Nightly Tester Tools and use it to over ride the compatibility check of the above addon, as it is only compatible with 3.5.

If you are running XP or 2000, skip step 4a to 4c.

More info & support: Spewboy @ Deviantart