Fields background color in parameters view

Hi everybody,
Anybody could help me giving the name of the ccs object for field background in parameters view ?
It looks very dark in my solution, I would like to lighten it, using css style customization.
Thanks in advance,
Olivier
Anybody could help me giving the name of the ccs object for field background in parameters view ?
It looks very dark in my solution, I would like to lighten it, using css style customization.
Thanks in advance,
Olivier