title: How to make hotspots on video for web
body: <p>I see there is already a question abour <a href="https://stackoverflow.com/q/28616912/3835843">Hotspot on video</a>. I can't solve my problem 
  by this answer. I want to show some tooltip on video at different time frame. Like this image :</p>
  
  <p><a href="https://i.stack.imgur.com/Mxxg1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Mxxg1.png" alt="enter image description here"></a></p>