how to make this link change color pls!

.post .entry-content a { color: #153F55; text-decoration:underline;}

How would I make the above change color with hover?

Thanks!

.post .entry-content a { color: #153F55; text-decoration:underline;}
.post .entry-content a:hover { color: #c0c0c0; }
.post .entry-content a:visited { color: #c0c0c0; }
.post .entry-content a:active { color: #c0c0c0; }

thanks