A:link { color: blue; 
    text-decoration: none; 
    font-weight: bold;  }
    
A:visited { color: blue; 
    text-decoration: none; 
    font-weight: bold;  }

A:active { color: red; 
    text-decoration: underline; 
    font-weight: bold; }
    
A:hover { color: green; 
    text-decoration: underline; 
    font-weight: bold;  }