css
/* styles.css */

body {
  background: #000;
  background-image: linear-gradient(90deg, #333, #444);
  color: #fff;
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
}

h1 {
  font-weight: bold;
  font-size: 24pt;
  text-align: center;
  border-bottom: 4px solid #666;
  margin-bottom: 0;
}

h2 {
  font-size: 18pt;
  font-weight: bold;
  border-bottom: 4px solid #666;
  margin-bottom: 0;
}

h3 {
  font-size: 14pt;
  border-bottom: 4px solid #666;
  margin-bottom: 0;
}

p {
  margin-bottom: 1em;
  text-align: center;
  font-size: 12pt;
}

a {
  color: #fff;
  background: #666;
  border: 4px solid #666;
  padding: 2px 8px;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  text-shadow: 2px 2px 4px #666;
}

a:hover {
  background: #000;
  color: #fff;
  text-decoration: underline;
  text-shadow: 2px 2px 4px #666;
}

#header {
  background: #777;
  padding: 1em;
  border: 4px solid #666;
  border-bottom: 4px solid #666;
  text-align: center;
}

#content {
  padding: 1em;
  background: #555;
  border: 4px solid #666;
  border-top: 4px solid #666;
}

#footer {
  background: #888;
  padding: 1em;
  border: 4px solid #666;
  border-top: 4px solid #666;
  text-align: center;
}

#footer a {
  background: #666;
  border: 4px solid #666;
  padding: 2px 8px;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  text-shadow: 2px 2px 4px #666;
}

#footer a:hover {
  background: #000;
  color: #fff;
  text-decoration: underline;
  text-shadow: 2px 2px 4px #666;
}