I was watching this episode of Naruto on YouTube.
I would like to know why the quality and style of the anime differs from the regular one?
The first part of the video's description reads (emphasis by me):
Naruto,Sasuke,Kakashi Team 7 Vs Kaguya Ōtsutsuki Full Fight (English Sub) . Naruto Shippuden: Ultimate Ninja Storm 4 the Rabbit Goddess大筒木カグヤ"Kaguya Otsutsuki" vs Naruto,Sasuke Uchiha Perfect Susanoo Kakashi. Rinne Sharingan vs Byakugan. Kaguya's unstable Tailed Beast Transformation awakening,Final TruthSeeker Orbs ultimate jutsu. Previous Boss Battles;
So as you can see, that is not a video from an episode of the anime series, but rather a cutscene from the Naruto Shippuden: Ultimate Ninja Storm 4 videogame. The bottom-most part of the description also clearly states that this is from a game: