Gwfox

<div align="center"> <picture> <source media="(prefers-color-scheme: light)" srcset="https://github.com/user-attachments/assets/6681a8fa-b441-4a65-8e99-31b2b42f7af4"> <source media="(prefers-color-scheme: dark)" srcset="https://github.com/user-attachments/assets/3263ea95-d1f9-47a3-ab3a-c54557e6d179"> <img alt="Preview"> </picture><br><br> <a href="https://github.com/akkva/gwfox/archive/refs/heads/main.zip"><img src="https://img.shields.io/badge/GWfox-3.2-blue?style=for-the-badge"></a> <a href="https://www.firefox.com"><img src="https://img.shields.io/badge/Firefox-149-blue?style=for-the-badge"></a> </div>

🛠️ Installation

1. Move the theme files into [your-profile]/chrome/.
2. Configure about:config with these preferences:

| Preference | Value | Platform / Notes | | :--- | :--- | :--- | | toolkit.legacyUserProfileCustomizations.stylesheets | true | Required | | svg.context-properties.content.enabled | true | Required | | sidebar.animation.enabled | false | Required | | widget.windows.mica | true | Windows¹ | | widget.windows.mica.toplevel-backdrop | 2 | Windows | | widget.gtk.rounded-bottom-corners.enabled | true | Linux | | widget.macos.native-context-menus | false | macOS |

¹ Windows: Requires enabling "System theme — auto" in Firefox Add-ons manager.

3. Restart Firefox to apply changes.

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🎨 Customization

Create these preferences in about:config to modify the UI:

Boolean Toggle

| Preference | Description | Notes | | :--- | :--- | :--- | | gwfox.plus | Enable bundled layout | macOS UI + Compact mode | | gwfox.plus_sc | Use native window controls | Sub-option for gwfox.plus | | gwfox.icons | Enable menu icons | | | gwfox.bms | Enable transparency | Linux only | | gwfox.noborder | Remove window borders | Borderless window mode | | gwfox.atbc | Enable ATBC compatibility | For Adaptive Tab Bar Colour | | gwfox.blur | Enable UI blur effects | ⚠️ Incompatible with v150+ | | gwfox.ac | Enable accent color | Edit --bg0 in CSS to customize | | gwfox.tp | Enable New Tab transparency | Requires allow_transparent_browser | | gwfox.db | Disable menu blur | Turn off blur on panels/menus |

Numerical Settings

| Preference | Description | Values | | :--- | :--- | :--- | | gwfox.sidebar | Set sidebar width | 1, 2, or 3 |