body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f9f9f9;
  color: #333;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 60px auto;
  padding: 30px;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #2d7a7a;
  font-size: 28px;
  margin-bottom: 20px;
}

p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 10px;
}

code {
  display: inline-block;
  background: #eee;
  padding: 5px 10px;
  border-radius: 5px;
  font-family: monospace;
}

a {
  text-decoration: none;
  color: #0077cc;
}

a:hover {
  text-decoration: underline;
}

.error h1 {
  color: #cc0000;
}