Skybox blury after porting it to CSGO

Hello I ported a skybox from Left 4 Dead 2 to CS:GO for my night map i’ve been working on,The problem is that it’s very blury which is strange

Heres what it looks like.

http://cloud-4.steamusercontent.com/ugc/543021466513156472/AE27AEBB2A7329A61B63CEA25ED39D880264C787/

Any help would be greatly appreciated.

Change the shader to Unlitgeneric instead of sky