body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #111;
}

.container {
  max-width: 720px;
  margin: 100px auto;
  padding: 0 20px;
  text-align: center;
}

h1 {
  font-size: 42px;
  margin-bottom: 16px;
}

p {
  font-size: 18px;
  line-height: 1.6;
}