body {
  margin: 2.5%;
  color: white;
  background-color: black;
  font-family: monospace;
  font-size: 1.3em;
  line-height: 1.3em;
}

 a:link, a:visited {
    background-color: black;
color: white;
font-family: monospace;
      font-weight: bold;
text-decoration: underline limegreen double;
}

a:hover, a:active {
  background-color: black;
color: limegreen;
  font-family: monospace;
      font-weight: bold;
text-decoration: underline white double;
}