88x31
88x31 pixels was a very popular web badge/button image size in the 1990s, especially among freewheeling and independent sites created on services like GeoCities, and there are IndieWeb 88x31 badges you may use.
Web badge - Wikipedia
en.wikipedia.org
Buttons, buttons, buttons everywhere!
It's time to talk about my 88x31 button hoard, how it exists, and why.
“Built with Eleventy” Animated 88x31
I was tagged several days ago on Mastodon, as someone was looking for a "90s-style 88x31 footer GIF" for pages built with Eleventy, and [... I] gave animating the badge a shot!