body {
    font-family: 'Times New Roman', serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
    background-color: #ffffff;
    color: #000000;
}
nav a {
    margin-right: 15px;
    text-decoration: none;
    color: #0000EE;
}
nav a:hover {
    text-decoration: underline;
}
footer {
  /* REMOVE these lines */
  /* position: fixed;
  bottom: 0;
  width: 100%; */

  text-align: center;
  font-size: 13px;
  padding: 10px;
  background: #f9f9f9;
  border-top: 1px solid #ccc;
}