You can do it like this: load about:support in your Firefox address bar and click on the 'Open Folder' button next to 'Profile Folder' label. load about:config in the Firefox address bar, then search for and set it to True by double-clicking the 'Value' column. I've included both the Nord and Nord Mac variations to match the Nord Windows 10 Theme caption buttons. Hey guys, in order to complete the Nord Suite, I've managed to create a nice Firefox skin to match the awesome work done by niivu UPDATE 05: fixed the Bookmarks Toolbar separators UPDATE 04: fixed the dark background issue when blocking elements with uBlock Origin fixed the dark background displayed in some websites like UPDATE 03: fixed the restore caption button and address bar for FF77+ styled the search results of the in-page Search bar UPDATE 02: fixed the Bookmarks Toolbar as well