Netscape problems

How to make a .css-file to take effect in Netscape (v. 4.7)???
 
I have a .css file that contains the following:
 
A:link {
  font: normal normal x-small/normal "Century Gothic";
  text-decoration: none;
  color: #996600
}
 
A:visited {
  font: normal normal x-small/normal "Century Gothic";
  text-decoration: none;
  color: #996600
}
 
A:hover {
  font: normal normal x-small/normal "Century Gothic";
  text-decoration: underline;
  color: #996600
}
 

TABLE {
  font: normal normal x-small/1.2 "Century Gothic";
  text-decoration: none;
  color: #996600
}
 
P {
  font: normal normal x-small/1.2 "Century Gothic";
  text-decoration: none;
  color: #996600
}

H1 {
  font: normal normal small/0 "Century Gothic";
  text-decoration: none;
  font-weight: bold;
  color: #996600
}
 
H2 {
  font: normal normal x-small/0 "Century Gothic";
  text-decoration: none;
  font-weight: bold;
  color: #996600
}
 
H3 {
  font: normal normal x-small/0 "Century Gothic";
  text-decoration: none;
  font-weight: bold;
  color: #996600
}

using this  file doesn't make any sense in Netscape, except for the headers.
 
Any suggestions?
/Andreas