body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background-color: #f5f5f5;
}
form {
  background: white;
  padding: 20px;
  border-radius: 8px;
  max-width: 500px;
}
label {
  display: block;
  margin-bottom: 10px;
}
input {
  width: 100%;
  padding: 6px;
  margin-top: 4px;
}
button {
  padding: 10px 20px;
  background: green;
  color: white;
  border: none;
  cursor: pointer;
}