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UserStyles

Styles for userChrome.css/userContent.css (or Stylish extension) in Firefox/SeaMonkey

Install / Use

/learn @Infocatcher/UserStyles
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

This is some styles to change Firefox (and sometimes SeaMonkey) appearance

Usage

<hr>

Styles in alphabetical order

About:NewTab fixes

Some fixes for about:newtab page

Add-ons Manager: counters

Show counter for total/enabled/disabled add-ons in top left corner of Add-ons Manager

Add-ons Manager: hide warnings

Hide warnings about disabled compatibility and update security checking from Add-ons Manager

Add-ons Manager: limit release notes height

Limit release notes height in Add-ons Manager

Add-ons Manager: tabs on top

Tabs-like categories in Add-ons Manager

Australis: always show forward button

Always show forward button in Australis interface/theme

Bookmarks

Some styles related to bookmarks

Brief compact

Compact style for <a href="https://addons.mozilla.org/addon/brief/">Brief</a> Firefox extension

Compact downloads

Compact styles for built-in Firefox download panel and other downloads lists

Download Panel Tweaker: hide items

Hide menu items from <a href="https://addons.mozilla.org/addon/download-panel-tweaker/">Download Panel Tweaker</a> extension

Download percentage

Downloads: show NN% label after each progress bar

FindBar reorder

Reorder items inside FindBar in Firefox 25+

Fixes for identity box

Some fixes for “identity box” (icon before location bar)

Popup fix

Stylize obsolete <popup> node like <menupopup>

Private Tab: background
Private Tab: hide items
Private Tab: icon
Private Tab: menu icons
Private Tab: overlay icon
Private Tab: underline

Some UI tweaks for Private Tab extension

Show missing images

Show placeholders in place of missing and not loaded images

Source editor

Some tweaks for source editor component (used in Scratchpad and other developer tools)

System style tabs

Use OS styles for tabs

Tree: reduce row height

Reduce height of XUL tree rows in Firefox 25+

Tree Style Tab compact

Compact vertical tabs added using Tree Style Tab extension

<hr>

Site-specific styles in alphabetical order

HabraHabr.ru: collapse sidebar

Collapse sidebar on <a href="http://habrahabr.ru/">habrahabr.ru</a> and show only on hover

Related Skills

View on GitHub
GitHub Stars10
CategoryContent
Updated3mo ago
Forks2

Languages

CSS

Security Score

72/100

Audited on Dec 22, 2025

No findings