@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

.ac-comment {
font-size: 100%! important;
color: #333 ! important;
}

.ac-comment[selected="true"] { color: white !important; }

.ac-url-text {
font-size: 100% ! important;
color: gray ! important;
}

.ac-url-text[selected="true"] { color: lightgray !important; }