body {
  font-family: Arial, sans-serif;
  padding: 20px;
  max-width: 800px;
  margin: auto;
}
label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}
input, select {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
}
.readonly-input {
  background-color: #f0f0f0;
}