That's just the Background Color from the category's edit page in the admin panel.
Ok. it was my first pull request ever, hope I did it correctly. =]
Thnak you. Actually I had a bug on some css that I added. Sorry for wasting your time.
@JKF80 what version of NodeBB? Disabling the category should remove it from that page. Are there any errors?
thx, I gonna try
Anyone having same issue? Looks like its due to the nodebb-plugin-cards