h2 {
  border-bottom: 1px solid #aaaaaa;
}
body {
  font-family: arial;
  margin-top: 30px;
  margin-right: 50px;
  margin-bottom: 30px;
  margin-left: 50px;
}
a:hover {color: red; text-decoration: underline}
a:visited {color: darkred}
a:link {color: red}
a:active {color: darkred}
a {text-decoration: none}