StackOverflow that 90's Theme is a Chrome extension that allows users to modify the theme of StackOverflow.com and other Stack Exchange sites to resemble the 2019 April Fools retro theme. This extension aims to give users a nostalgic 90's feeling while browsing these websites.

The extension is easy to install and use. Once installed, it automatically applies the retro theme to StackOverflow.com and other supported Stack Exchange sites. The modified theme includes elements such as a 90's-inspired color scheme, retro fonts, and nostalgic cursor effects.

StackOverflow that 90's Theme is a free extension developed by Alexander. It is available on the Chrome platform and falls under the category of Browsers, specifically Add-ons & Tools. The source code for the extension can be found on GitHub, along with credits to the creators of the Time Travel Mode and 90's Cursor Effects.

If you're feeling nostalgic and want to add a touch of the 90's to your browsing experience on StackOverflow.com, StackOverflow that 90's Theme is a fun and lighthearted extension to try.