Greasy Fork

Thanks for it!
With it. i was able to do:
Styling Wayback Machine's header (aka toolbar) #962...

A function like that should be added to:
"Stylus" is a fork of Stylish for Chrome, also compatible with Firefox as a WebExtension

My userstyle using it:
Web Archive Mini Top ToolBar

I am glad this userscript can help you 😀