asp:Hyperlink control and Css problems

Hi everyone
I have a problem with the hyperlink control in vwd2005....I'm trying to use Css file and linking it to the Hyperlink control for showing general stuff like a link,visited,hover and active visual effects.

Well the problem is,... I've done the necessary setup in my Css file... as below:
 
.Hyperlinks a:link
{
    font-family: Verdana, Arial;
    font-size: 12px;
    font-weight: bold;
    color: green;
    text-decoration: none;
}

.Hyperlinks a:visited
{
    font-family: Verdana, Arial;
    font-size: 12px;
    font-weight: bold;
    color: gray;
    text-decoration: none;
}

.Hyperlinks a:hover
{
  & ...