here is the problem:

http://mosbat.ypu.com/blog/?p=220

see the page both in firefox and IE,
as you see, the color of comments is black in firefox and white in IE
help me plz

Validate your code and get rid of all that Microsoft garbage code, then see where you are.

what do u mean "get rid of all that Microsoft garbage code" ?

It looks like you created that site by using MS Word, all that "mso..xxx" stuff is Microsoft garbage.