Keeps saying did you set link Description in the Css

I really would llve to know what the heck am i doing because i believe the CSS as listed here h1 { font-family: Verdana,Sans-Serif; color: #576D94; } p { font-size: 18px; color: #4A4943; font-family: Garamond,Serif; } img { height: 100px; width: 300px; border: 1px solid #4682b4; a { text-decoration:none; color:#cc0000; }

Then on the HTML this is the code here