body {
  background-color: Green;
  color: black;
  font-family: Comic;
  }
 h2{outline-style: solid; outline-width: thick; outline-color: black;text-align: center;}
  h1{ outline-style: solid; outline-width: medium; outline-color: black;text-align: center;}
  h3{ outline-style: solid; outline-width: thin; outline-color: black;}