body {
  background-color: darkkhaki;
  font-size: 30px;
  text-align: center;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}
span {
  color: red;
}
a:visited {
  color: gray;
  background-color: transparent;
  text-decoration: none;
}
a:link {
  color: green;
  text-decoration: none;
  background-color: transparent;
  font-style: italic;
}
a:hover {
  color: blue;
  background-color: transparent;
  text-decoration: line-through;
}
a:active {
  color: red;
  background-color: transparent;
  text-decoration: overline;
}