I talk about Fighting Games, Software Development, Left Politics, and other cool stuff.
it’s an data block defining an svg image set as the background image:
background-image:url("data:image/svg+xml;base64,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")
i think prechoster helped me inject it? it’s been a while since i made this
that's awesome! also:
o: you can use custom emojis in replies and on posts? how do you upload those?
the eggbug ones come with cohost plus!! 
however @lexi made a great user script to insert from the muntant emoji set: https://cohost.org/lexi/post/470324-if-you-ever-wanted-t