body  {background-color: black;}
p     {text-align: center;
       font: 1em serif;
       color: silver;
       }
a:link  {color: silver;
         text-decoration: underline;}
a:visited{color:teal;
         text-decoration: none;}
a:active{color:yellow;}
a:hover {background-color: silver;
         color: black;}