body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0d0d0d;
  color: #e6e6e6;
}

.site-header {
  padding: 20px;
  background: #111;
  border-bottom: 1px solid #333;
  text-align: center;
}

.site-header h1 {
  margin: 0;
  font-size: 32px;
  color: #4da6ff;
}

.tagline {
  margin: 5px 0 15px 0;
  font-size: 16px;
  color: #cccccc;
}

.main-nav a {
  margin: 0 10px;
  color: #4da6ff;
  text-decoration: none;
  font-weight: bold;
}

.main-nav a:hover {
  text-decoration: underline;
}

.panel {
  padding: 20px;
  margin: 20px;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 6px;
}

.panel h2 {
  margin-top: 0;
  color: #66b3ff;
}

.site-footer {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  border-top: 1px solid #333;
  color: #777;
}