Can someone help me edit the CSS to disable the feature of middle mouse clicks on the empty portion of the tab bar opening new tabs? The new update broke the CSS again and it's really frustrating using Firefox as I have a bad habit of constantly clicking the middle mouse button. My previous posts: https://support.mozilla.org/en-US/questions/1254024, https://support.mozilla.org/en-US/questions/1271141 The CSS: https://pastebin.com/qttFZYQx