body {
  background-color: #212121;
  color: green;
  font-family: "Noto Sans", sans-serif;
/* unvisited link */
}
a:link {
  color: green;
}

/* visited link */
a:visited {
  color: darkgreen;
}

/* mouse over link */
a:hover {
  color: lawngreen;
}

/* selected link */
a:active {
  color: green;
}