BODY {
  font-family: "arial","Courier New", Courier, Monospace;
  margin-top: 5%;
  margin-left: 5%;
  margin-right: 5%;
  margin-bottom: 5%;}

A {text-decoration: none;
  color: black;}

a:link {color: black }
  a:visited {color: black }

H1, H2, H3 {text-align: center;}