Search Results for tag "css"

Firepicker Requires Restart

Simple color picker plugin for Firebug.

Rated 5 out of 5 stars (56)
5,911 users

devtools-highlighter Compatible with Firefox 57+

Find and highlight elements on the page with this DevTools panel, using CSS styles and selectors.

Rated 3 out of 5 stars (2)
97 users

Dark Theme for Google News Compatible with Firefox 57+

Makes the layout of Google News dark while retaining the original feel.

Rated 5 out of 5 stars (4)
217 users

DarkenBackground

replace white or very bright background on webpages with slightly darker colors

Rated 5 out of 5 stars (18)
349 users

lmnpop Requires Restart

Pops elements as resizable windows.

Rated 4 out of 5 stars (20)
274 users

Dafizilla ViewSourceWith Requires Restart

The main goal allows users to open (and in some cases edit) page source with external applications.

Rated 4 out of 5 stars (52)
3,218 users

Website Theme Manager (WebExtension) Compatible with Firefox 57+

Allows you to change any website's look; choose your desired style from userstyles.org

Rated 4 out of 5 stars (1)
68 users

Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)
843 users

Open Pesticide Compatible with Firefox 57+

Outlines each element on the page to help you visualize their dimensions and overcome those annoying CSS layout issues.

Requires zero permission and open source.

Rated 5 out of 5 stars (5)
82 users

Google Material Design Paper Theme - Best Theme

Flat material theme. Minimal paddings, minimal borders, minimal colors. [How to enable for Firefox 57 - in description.]

Rated 5 out of 5 stars (7)
248 users

Phoenix Requires Restart

An editor with real time syntax highlighting which allows edit, run and test CSS, HTML and JavaScript code. Phoenix will tell you how many CSS and JS files are loaded into a page, how big these are, it will let you edit, pack and de-obfuscate them.

Rated 4 out of 5 stars (46)
719 users

Crosshairify - Changes Cursor Compatible with Firefox 57+

Makes a cross-hair the default cursor. To disable just click 'disable'. This addon is designed to be very light and have very little impact on your web browser. Crosshairify changes the cursor style.

Rated 5 out of 5 stars (1)
14 users

CSSViewer Requires Restart

A simple CSS property...

Rated 4 out of 5 stars (98)
215 users

FoxGuide Requires Restart

Display horizontal and vertical floating guides, exactly the way you use it in photoshop. Helps improving layout, placing elements in proper grids, laying out elements symmetrically and structure a design.

Rated 3 out of 5 stars (23)
1,299 users

Style Guide Generator Compatible with Firefox 57+

Generate simple style guide from page's CSS.

Rated 5 out of 5 stars (1)
51 users

PourBico Requires Restart

Speed up your testing and debugging times with PourBico. By intercepting HTTP requests, PourBico allows you to modify each response (headers and body) via inline edits or by replacing resources with local or external ones.

Rated 5 out of 5 stars (9)
337 users

StylRRR - Barebones Userstyle Injector

Lets you add userstyles ( website and browser themes) with a mini addon.

Rated 5 out of 5 stars (25)
310 users

Mobile toolkit Requires Restart

A toolbar for Mobile WebDevelopers, lets you quickly validate your code, check renders and find documentation.

Rated 3 out of 5 stars (7)
538 users

globalChrome.css Requires Restart

Provides global user stylesheet.

Not yet rated
545 users

Personas Interactive Theme Engine Requires Restart

Created by http://BrandThunder.com where you can Build Your Own Browser Theme. Remove the limits of Personas. Get unlimited Personas, legible text; use with Firefox themes installed. Create your own Personas gallery; full CSS3 backgrounds, and more

Rated 2 out of 5 stars (40)
1,566 users