Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Recently my interface changed from
Is this something that is supposed to happen? Is it possible to get back the first one since it looks better? (Or at least it looks better for me.)
To me it seems like you've been switched to the "mobile interface". At the bottom of every page there should be a link to the "full site":
Click on it to return to the usual interface.