❓ Special Design for Private Server

Hello,
I saw A few videos of Travoos or so, and I see that they had a speical Design for their Private Server.
On the right, The Hp/mp/exp Bar Font was different, and so was the colors..
How Can I do that too?
Example:



(Ohh and If Anyone Knows how he made the Crates or the Rain of Whites, That would be great )
-Lolization