Simplify the following text for a Grade 5 native English-speaking person.
Original: While there are several rules , such as those regarding not allowing shoes in the prayer hall , that are universal , there are many other rules that are dealt with and enforced in a variety of ways from mosque to mosque .
Simplified: Some of these rules are the same all over the world , such as no shoes should be worn in the prayer hall . Other rules are different from mosque to mosque .