body {
  font-family: system-ui, sans-serif;
  max-width: 700px;
  margin: 40px auto;
  padding: 0 20px;
}

main {
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 24px;
}

a,
button {
  font-size: 1rem;
}

a {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  text-decoration: none;
}

button {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #ccc;
  background: white;
  cursor: pointer;
}