body {background-color: black;}
  h1   {color: grey; text-align: center;}
  p    {color: grey; text-align: center; }
  div {text-align: center;}
  img {display: block; margin: auto;}

  
   /* unvisited link */
a:link {
  color: gray;
  font-size: 150%;
}

/* visited link */
a:visited {
  color: gray;
  font-size: 150%;
}

/* mouse over link */
a:hover {
  color: white;
  font-size: 150%;
}

/* selected link */
a:active {
  color: gray;
  font-size: 150%;
}