img.small 
{ 
    display:block;
    width:50px;
    height:50px;
}

img.small:hover 
{
    width:300px;
    height:300px;
}

a:link { color:#557755;font-family:sans-serif;text-decoration:none; }
a:visited { color:#5555aa;font-family:sans-serif;text-decoration:none; }
a:hover { color:#aa5555;font-family:sans-serif;text-decoration:none; }