I also managed to make the animated background more visible. And

Steam Community :: Guide :: How to crop Animated Profile Backgrounds for Artworks

Steam Community :: Guide :: Cropped Animated Backgrounds For Artworks

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Animated Steam Artwork (Black and White) by TheKilu on DeviantArt

Why is the neon animated background so low res? : r/Steam

ANIMATED STEAM BACKGROUNDS AND MORE

Itachi Uchiha #2 Steam Background (Animated) by xieon08 on DeviantArt

Steam update on summer sale 2020 (animated backgrounds)

matttwood 😸 on X: aaahhhhh @waneella_ has animated backgrounds

Steam Background Artwork Showcase Tutorial! on Make a GIF