How to remove First Name box in Author tab in WebVoyage interface (Tomcat)

How to remove "First Name" search entry box in Author search tab?

cd /m1/voyager/xxxdb/tomcat/vwebv/context/vwebv/ui/[skin]/css/
Open searchAuthor.css for editing
Locate the selector for “#inputFirstName” and add the line “display:none”. The edited section will look something like the following:

#inputFirstName {
display:none;
float:left;
margin:0px;
padding:11px 0px 0px;
}