How to change the rich:datatable header color??

[sivaprasad9394]

Hi All,

I have to change only one  datatable header color.Because in my application i have many datatables.With out overriding the Richfaces datatable css,How to do this.???

Below is the image of datatables,

Currently having like this in my application(Img:1) But i have to change like (Img:2).

Img:1

Img:2