body {
  font-family: 'Segoe UI', sans-serif;
  background: #f0fff7;
  color: #222;
  max-width: 700px;
  margin: auto;
  padding: 2rem;
  text-align: center;
}

h1, h2 {
  color: #228833;
}

.btn {
  display: inline-block;
  margin: 1rem;
  padding: 1rem 2rem;
  background: #aaffaa;
  border-radius: 1rem;
  text-decoration: none;
  color: #000;
  font-weight: bold;
  box-shadow: 0 0 8px #aaa;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin: 1rem 0;
}

footer {
  margin-top: 3rem;
  border-top: 1px solid #ccc;
  padding-top: 1rem;
  color: #666;
  font-size: 0.9rem;
}