Rainbow Tab Border by King88

"Rainbow Tab Border" is a Firefox extension that adds a dynamic, colorful glow effect to browser tabs when hovered. The add-on enhances the browsing experience by introducing a visually appealing animation, making it easier to identify active tabs. Designed for users who enjoy customization, it brings a fun and lively touch to everyday web navigation. The lightweight extension runs efficiently without affecting performance. With simple installation and automatic activation, users can instantly enjoy vibrant, eye-catching tab borders. Whether for aesthetics or usability, "Rainbow Tab Border" transforms tab interaction into a more engaging and enjoyable experience."