Tired of the default StackExchange/StackOverflow wasting precious real estate, but don't want to hide the sidebars? This extension will provide a more responsive design than the traditional layout! Say goodbye to the clutter and hello to Focused StackExchange.

• Sacrifice nothing: Minimizes the sidebars when not relevant, automatically show them when the mouse is over them
• Compatible with CSS styles of most SE communities
• Compatible with other extensions which changes the SE theme (ie DarkReader)
• It's fast as hell. You won't even notice it loading
• It's free and open source

https://addons.mozilla.org/en-US/firefox/addon/focused-stackexchange

https://chrome.google.com/webstore/detail/focused-stackexchange/fjgmedaokmacclphgobpaaemegpdiino