body {
  font-family: monospace;
  background-color: #000000;
  color: #ffffff;
  padding: 50px;
}

a {
  color: lightgreen; /* Sets the link color to blue */
  text-decoration: underline; /* Adds underline to the link */
  width: "200%";
  height: "200%";
}

a:hover {
  background-color: lightgreen; /* Selection highight color */
  color: #000000; /* Optional colour change of text that is being selected */
}