body {
  font-family: Arial, sans-serif;
  max-width: 500px;
  margin: auto;
  padding: 20px;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;
  margin-bottom: 10px;
  box-sizing: border-box;
}

input[type="radio"],
input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}