Complex input
Sample:
Who are you?
Code:
<h2 id="headin">Who are you?</h2>
<label for="username" style="display: none">Username</label>
<input type="text" id="username" aria-labelledby="heading" required aria-invalid="true"><h2 id="headin">Who are you?</h2>
<label for="username" style="display: none">Username</label>
<input type="text" id="username" aria-labelledby="heading" required aria-invalid="true">