[Trinidad] Skinning selected tree row?

[Stephen Friedrich]

I found no info on how to change the text color of the selected tree row 
(greenish by default).
After looking at the generated HTML/CSS I tried this:
.p_OraTreeRowSelected {
    color: #ff9900 !important;
    font-weight:bold !important;
    background-color:red !important;
}

The only selector that is really used is the background color (that I inserted 
only for testing).

So how to change font-weight and text color?

Thanks for any help!