body {
  font-family: "Helvetica Neue", sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
  color: #333;
}

.container {
  max-width: 720px;
  margin: 50px auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

h1, h2 {
  color: #222;
}

h1 {
  border-bottom: 2px solid #ccc;
  padding-bottom: 10px;
  margin-bottom: 30px;
}

h2 {
  margin-top: 30px;
  font-size: 1.2em;
}

footer {
  margin-top: 40px;
  font-size: 0.9em;
  color: #777;
  text-align: right;
}