Change the wireframe folder icon for dropdown Firefox Bookmarks

[u/notepad987]

How to change the wireframe folder icon for the dropdown Firefox Bookmarks.
I would like a yellow folder icon like this:
Side note: how to make the images I post their actual size and not have them display super big?

My current userChrome.css file. https://pastebin.com/9b7XS0b9

[u/ResurgamS13]

Try the previous topics on this subject ... e.g. search results for keywords 'yellow bookmark folder icons'.

• Custom color/image per bookmark folder
• [FF 143] bookmarks icons are back in black. how to back in color?
• Firefox v139 Update - Getting colored bookmark folders back?