search “id” in CSS?

Hi, I’m have a bit of trouble with locating the the “id” in my CSS form the search form. I want to change the color where it says “Search” here http://www.defectus-lunae.com/ateens3/ – it’s green but I want to change it to black.

My CSS http://defectus-lunae.com/ateens3/wp-content/themes/fangrouplayout/style.css

Any help would be really appreciated.