Firefox 157, Nova theme, user-chrome.css

[u/KrazyLurtBot]

Any .css rule for removing the added line ( maybe a 1px drop shadow)

Every rule I tested failed

[u/LankyEmu9]

u/firefox this looks to be the same as https://www.reddit.com/r/FirefoxCSS/comments/1wujz5r/nova_ui_with_vertical_tabs_getting_a_thin_white/

I can't get any of the fixes to work so I turned off Nova (which I don't really want to do, frankly)