title: Asking for a HTML property
body: <p>I am creating a web project these days. When click on a button, I want to open the description as in the below image. I do not want the code for that. I just want only know the name of that option. If anyone know tell me the name of this option. Then I could find a suitable code.<a href="https://i.stack.imgur.com/Ri9JR.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ri9JR.jpg" alt="enter image description here"></a></p>