Menu Hover Transition to change the color

CSS3 Tutorial for Hover Transition to change the color
http://www.imajine.in/tutorials/css/texthover.aspx

CSS:

a:link {
color:#666666;
text-decoration:none;
font-family:Arial, Helvetica, sans-serif;
font-size:20px;
-webkit-transition-property:color, text;
-webkit-transition-duration: 0.5s, 0.5s;
-webkit-transition-timing-function: linear, ease-in;

-moz-transition-property:color, text;
-moz-transition-duration:0.5s;
-moz-transition-timing-function: linear, ease-in;

-o-transition-property:color, text;
-o-transition-duration:0.5s;
-o-transition-timing-function: linear, ease-in;
}
a:visited {
color: #6E6C64;
}
a:hover, a:active, a:focus {
color:#009999;
}