Welcome to where you could find 88x31, here's some that I have for you guys. making them is quite simple actually.

Also if you see your buttons that you made then congrats dude, and credit to you for making these. (I just don't know how made these but credit to everyone) ;)
 

Social Media:

Protests/PSAs:

Old Web Stuff/Old Software/Websites/etc. :

Neocities/Other Web stuff:

 

Tech Brands/Companies:

Videogames:

Cartoons/Anime:

Other: