body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f2f2f2;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
}

.form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input, button {
  padding: 10px;
  font-size: 16px;
}