How to change csvalidation add on default color

Hi,
I am using csvalidation add on’s in my application it’s default textfield or password field background color is red, but i want to change the customized color our application. i am try to making the customized background color is not change . how to solve this case.

Note: now using themes for my-chameleon if possible for overwrite the csvalidation default color?

Thanks
karthik