Displaying form parts conditionally

How to make a form input appear only if a certain item is selected in a SELECT list.

Features section

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse tincidunt sagittis eros. Quisque quis euismod lorem. Etiam sodales ac felis id interdum.

Learn more
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.