/* Center the main page header */
h1 {
    text-align: center;
  }
  
  /* Center the site navigation */
  nav {
    text-align: center;
  }
  
  /* Center the footer information */
  footer {
    text-align: center;
  }
  
  /* Body rule for background, font, color, and margin */
  body {
    background-color: #f0f0f0;       /* Light gray background */
    color: #333333;                  /* Dark gray text */
    font-family: Arial, Helvetica, sans-serif;
    margin: 10px;
  }