Rated 1 out of 5 stars

The owner of userstyles.org incorrectly configured his website. To protect your information from theft, Firefox did not connect to this website.

This site uses HTTP Strict Transport Security (HSTS) to indicate that Firefox should connect to it only through a secure connection. As a result, you can not add an exception for this certificate.

This review is for a previous version of the add-on (3.0.5).  This user has a previous review of this add-on.