For others, as well as fixing/removing the misplaced percent symbol, you also need to do the following:
In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button accepting the risk.
In the search box above the list, type or paste userprof and pause while the list is filtered. If you do not see anything on the list, please ignore the rest of these instructions. You can close this tab now.
Double-click the toolkit.legacyUserProfileCustomizations.stylesheets preference to switch the value from false to true.
I can see this getting a bit annoying/confusing, as it also blocks out commenters’ usernames, but you can always hover over the empty space and read it from the link preview on the bottom-left of the window.
If you use Firefox, you can use a customized user CSS file following these steps—https://superuser.com/a/319322
In your CSS, put
Thanks for this!
For others, as well as fixing/removing the misplaced percent symbol, you also need to do the following:
I can see this getting a bit annoying/confusing, as it also blocks out commenters’ usernames, but you can always hover over the empty space and read it from the link preview on the bottom-left of the window.