Responsive interactive tutorial (#998)

content/docs/interactive-tutorials/_index.md

@@ -9,7 +9,18 @@ Welcome to Dell CSM's interactive tutorials section! Try the different modules w
 
 Our interactive tutorials provide step-by-step guidance on how to use our CSM products in the context of PowerFlex Software-Defined-Storage.
 
-<iframe width="1140" height="640" sandbox="allow-forms allow-modals allow-popups allow-same-origin allow-scripts" src="https://play.instruqt.com/embed/dell/tracks/csm-quickstart?token=em_hdpeUhrpwfrkPUoo" style="border: 0;"></iframe>
-
+<div style="position: relative;
+  overflow: hidden;
+  width: 100%;
+  padding-top: 56.25%;">
+  /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
+<iframe sandbox="allow-forms allow-modals allow-popups allow-same-origin allow-scripts" src="https://play.instruqt.com/embed/dell/tracks/csm-quickstart?token=em_hdpeUhrpwfrkPUoo" style="position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  right: 0;
+  width: 100%;
+  height: 100%;"></iframe>
+</div>
 
 > NOTE: It takes about 15 minutes for the lab to be ready to use.