Dark UI 1.3 is a release file of the Minecraft resource pack Vanilla Tweaks Dark UI for Mods, made for Minecraft 1.16.3, 1.16-Snapshot, 1.16.1, 1.16, 1.16.2, 1.16.4. It was published on November 2, 2020 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Vanilla Tweaks Dark UI for Mods resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.