body {
  background-color: black;
  color: white;
  font-family: Sans Serif;
}
a:link {
  color: white; 
  background-color: transparent; 
  text-decoration: underline;
}

a:visited {
  color: lightgray;
  background-color: transparent;
  text-decoration: none;
}

a:hover {
  color: white;
  background-color: transparent;
  text-decoration: underline;
}

a:active {
  color: white;
  background-color: transparent;
  text-decoration: none;
}