body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f4f6f8;
  margin: 0;
}

main {
  padding: 30px;
}

h2, h3 {
  margin-top: 0;
}

label {
  display: block;
  margin-bottom: 15px;
}

input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
}

button:hover {
  opacity: .9;
}