css
/* Styles for Whispering Walls */

body {
  background: linear-gradient(90deg, #ff0000, #0000ff);
  font-family: Arial, sans-serif;
  color: #ffffff;
  background-image: url('brickwall.jpg');
  background-size: 300px 600px;
  background-position: top left;
  background-repeat: no-repeat;
}

h1 {
  font-size: 36px;
  font-weight: bold;
  color: #000000;
  text-align: center;
  border: 4px solid #000000;
  background: #ffffff;
  padding: 10px 20px 10px 20px;
  text-shadow: 2px 2px 8px #000000;
}

p {
  font-size: 24px;
  font-weight: bold;
  color: #000000;
  text-align: center;
  border: 2px solid #000000;
  background: #ffffff;
  padding: 5px 10px 5px 10px;
  text-shadow: 1px 1px 4px #000000;
}

a {
  text-decoration: none;
  font-weight: bold;
  color: #000000;
  background: #ffffff;
  padding: 5px 10px 5px 10px;
  border: 2px solid #000000;
  text-shadow: 1px 1px 4px #000000;
  text-align: center;
  font-size: 20px;
}

/* Link styles for navigation */

a:hover {
  background: #ff0000;
  color: #ffffff;
  border: 2px solid #ffffff;
  text-shadow: 1px 1px 4px #000000;
}

/* Subpage links */

a.subpage {
  background: #000000;
  color: #ffffff;
  border: 2px solid #000000;
  text-shadow: 1px 1px 4px #000000;
  text-align: center;
  font-size: 18px;
}

a.subpage:hover {
  background: #ff0000;
  color: #ffffff;
  border: 2px solid #000000;
  text-shadow: 1px 1px 4px #000000;
}