Firefox has spread across the globe, many users are proud of its usability and speed, but perhaps one of the most important reasons is that it is an easy way to personalize.
You can add personalized add-ons to make your internet experience even better, but you can change its look and thousands of users like personalization.
Firefox is skinnable, but Personas for Firefox is a step outside personalization of Firefox. It makes it easier to personalize Firefox using skins.
Generally, when you install a new theme for Firefox, you have to restart it, but if you use Paracus, you will get access to a huge library of free skins that you will be installing in a few seconds and your preferred browser
Finally, you can create your own skin and easily share it with the rest. Just create two pictures, another for the header and the other for footer and upload it from the official site.