body {
  margin: 0;
  min-width: 280px;
  font-family: Arial, sans-serif;
  color: #1f2937;
}

main {
  padding: 16px;
}

h1 {
  font-size: 16px;
  margin: 0 0 8px;
}

p {
  margin: 0 0 12px;
  font-size: 13px;
}

button {
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px 10px;
  background: #f9fafb;
  cursor: pointer;
}