<label for="firstName">First Name:</label>
<input id="firstName" name="firstName" type="text" value="Adam" />

<label for="age">Age:</label>
<input id="age" name="age" type="number" value="42" readonly />

<label for="hobbies">Hobbies:</label>
<textarea id="hobbies" name="hobbies" readonly>Baseball</textarea>

label {
  display: block;
  margin-top: 1em;
}

input:read-only,
textarea:read-only {
  background-color: silver;
}