Google, Firefox Pull Stylish After Report Shows How Data Is Collected. A security researcher showed how the Stylish browser extension sent personal data and search results back to the parent company. Mozilla and Google have pulled the extension off their stores. An open source alternative named Stylus can do most of what Stylish could do, and it’s available for Chrome, Firefox and Opera browsers. There is an open source version of Stylish that is based on the source code of version 1.5.2.”]