How can I undo "Hide Tab bar if there is only one tab"?
I used the support article [Hide Tab bar if there is only one tab] to hide the tab bar when there is only one tab. I now regret it and want to go back. I tried browser.tabs.tabmanager.enabled = true but that didn't work. And unfortunately I don't understand the "chosen" solution, so I can't reverse it. The regret is because it's hard to drag a single tab and drop it in another browser window.
Modified by cor-el
Chosen solution
That is about using CSS code in the userChrome.css file in the chrome folder in the Firefox profile folder.
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder - https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
You can remove this userChrome.css file or set this pref to false on the about:config page.
- about:config => toolkit.legacyUserProfileCustomizations.stylesheets = false
More info about userChrome.css/userContent.css in case you are not familiar: *https://www.userchrome.org/what-is-userchrome-css.html
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Your link is wrong - no page is found. Paste the url of the page without trying to use the paper clip.
You probably created a file userChrome.css. You can put comment markers around the code in that file (/* */). If you have no other code in the file you could instead rename the file or change the following preference in about:config to false. toolkit.legacyUserProfileCustomizations.stylesheets
https://support.mozilla.org/en-US/kb/about-config-editor-firefox
Chosen Solution
That is about using CSS code in the userChrome.css file in the chrome folder in the Firefox profile folder.
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder - https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
You can remove this userChrome.css file or set this pref to false on the about:config page.
- about:config => toolkit.legacyUserProfileCustomizations.stylesheets = false
More info about userChrome.css/userContent.css in case you are not familiar: *https://www.userchrome.org/what-is-userchrome-css.html