Badges update automatically and link to the resource pack page on MineUniverse.
Nether Bricks are green to see Fortresses better, and Wither Skeletons are a bit brighter so that they are harder to miss. :)
This resource pack is also available for Bedrock Edition:
https://www.curseforge.com/minecraft-bedrock/texture-packs/more-visible-nether-fortresses-and-wither
This resource pack is also available on Modrinth:
https://modrinth.com/resourcepack/more-visible-nether-fortresses-and-wither-skeletons