css
body {
  background-color: #000;
  color: #fff;
  font-size: 24px;
  font-family: "Monospace", sans-serif;
  margin: 0;
  padding: 0;
}

h1 {
  font-size: 48px;
  font-weight: bold;
  color: #ff0;
  border-bottom: 4px solid #000;
  margin: 0;
  padding: 0;
  text-shadow: 0 0 0 #000;
}

h2 {
  font-size: 36px;
  font-weight: bold;
  color: #f00;
  border-bottom: 4px solid #000;
  margin: 0;
  padding: 0;
  text-shadow: 0 0 0 #000;
}

h3 {
  font-size: 24px;
  font-weight: bold;
  color: #0f0;
  border-bottom: 4px solid #000;
  margin: 0;
  padding: 0;
  text-shadow: 0 0 0 #000;
}

p {
  font-size: 18px;
  color: #f0f;
  margin: 0;
  padding: 0;
}

span {
  font-size: 12px;
  color: #0ff;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: #00f;
  border-bottom: 4px solid #000;
  margin: 0;
  padding: 0;
  text-shadow: 0 0 0 #000;
}