Firewolf is a quality texture pack for the Minecraft 1.10.2, you will see a completely different appearance of blocks and items. Also the author tried to replace almost all aspects of the game, including mobs and weather conditions. Each block now looks a little smoother, brighter. Textures of many items were completely replaced, take a look at the doors. Of course, you will see a nice GUI.
The food, potions, tools, and more will now delight you with their appearance. Be sure to download the Firewolf Resource Pack for Minecraft, if you want to change something in the game and be satisfied.
Video review of this texture pack: