Enhanced GUI By Teoxex 1.2 is a release file of the Minecraft resource pack Redefined GUI, made for Minecraft 1.16-Snapshot, 1.17.1, 1.16.3, 1.15-Snapshot, 1.16.1, 1.14.4, 1.14.1, 1.17, 1.14.3, 1.15, 1.16, 1.16.5 and more. It was published on August 6, 2021 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Redefined GUI resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.