This is Itsme64's Minecraft 1.20 (The Unnamed Update) Themed GUI texture pack.
This custom GUI pack made by Itsme64 changes every button in Minecraft to a dark green, bright orange, or sick blue color (depending on the version) and adds a cool unique, 1.20-themed background, instead of the regular background panorama.
Each of the three versions has a different background image, as well as different colored buttons to match the images. (see 'images' tab for more)
Consider subscribing to my YouTube as I am putting a lot of effort into this pack: https://www.youtube.com/c/Itsme64
Video explaining the texture:
All three packs are available for download, the main download is Version 3, the other two can be found under the downloads tab
If you have any questions/comments/concerns/suggestions for future packs please feel free to leave those in the comments section below or contact me via discord: https://discord.gg/f2TH4TQ3J5