Custom Tabs (0.10.1) is a release file of the Minecraft resource pack BlueArdite, made for Minecraft 1.10.2. It was published on January 2, 2017 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the BlueArdite resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.
