video fix

README.md

@@ -72,13 +72,21 @@ ___
 ___
 ## Demos
 * ***Task 1:***
+  <figure class="video_container">
     <iframe width="560" height="315" src="https://www.youtube.com/embed/AjLuZGTohQ0" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+  </figure> 
 * ***Task 2:***  
+  <figure class="video_container">
     <iframe width="560" height="315" src="https://www.youtube.com/embed/DksW8h8woP4" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+  </figure>
 * ***Task 3:***
+  <figure class="video_container"> 
     <iframe width="560" height="315" src="https://www.youtube.com/embed/ofvF_PM0YXk" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+  </figure> 
 * ***Task 4:***  
+  <figure class="video_container"> 
     <iframe width="560" height="315" src="https://www.youtube.com/embed/8c6kVIacqw0" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+  </figure> 
 ___
 ## Getting Started