body {

}

h1 {

  font-size: medium;
  font-weight: bold;
  color: red;
  text-align: center;

}

a{

  color: blue;
  text-decoration: none;

}

a:hover { text-decoration: underline; color: red; }

pre {

  margin-left: 1in

}

.function {

  font-size: 40px;
  font-weight: bold;
  text-align: center;
}