Hello. So, first I have to apologize because I have no idea of the technical names related with browsers so I am going to do my best to explain my issue. I have Firefox pined on my taskbar and when I move my mouse pointer on it, it used to show me all my open tabs in a way that I could see all pages in "miniature". Now, and I don't know why, it shows only a list of the names of those pages. How can I change that? I am sending a screenshot to better expose my issue. Thank you!