I need to know the same thing, I searched through all the style vars and couldn't find anything that changed it. Any help please?
EDIT: nevermind I figured it out. Had to put this at the top of the additional.ccs template.
change text color
HTML Code:
.popupbody li input.searchbox {
color:black !important;
}
change background
HTML Code:
.popupbody li input.searchbox {
background: yellow;
}
change background when clicked
HTML Code:
.popupbody li input.searchbox:focus {
background: yellow;
}