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Best firfox specific CSS plugins for WordPress

The most popular firfox specific CSS plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Ultimate Browser Specific Css leads with 20+ active installs. All 1 plugins tagged “firfox specific css” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 1 firfox specific CSS plugins

  1. 1.
    Ultimate Browser Specific Css

    The most installed firfox specific CSS plugin, with 20+ active installs. Only 3 reviews so far, last updated 12 years ago. Tested only up to WordPress 4.0.38.

All 1 plugins tagged “firfox specific css”