* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  background: #f7f7f7;
  color: #111;
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

h1, h2 {
  margin-top: 0;
  letter-spacing: -0.02em;
}

p {
  color: #444;
}

a.button {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 20px;
  background: #111;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
}

a.button:hover {
  opacity: 0.85;
}

.footer {
  margin-top: 64px;
  font-size: 14px;
  color: #777;
}