Update mappings.rst

docs/mappings.rst

@@ -4,9 +4,9 @@ Mappings
 .. raw:: html
 
     <div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto;">
-        <iframe src="https://www.youtube.com/embed/y-n93I5q-0g" frameborder="0" allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;></iframe>
-    </div>
-
+        <iframe width="560" height="315" src="https://www.youtube.com/embed/y-n93I5q-0g" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+	 </div>
+	 
 Mappings are designed to help us organize and structure content while improving the SEO on our website. 
 
 To follow a step-by-step tutorial head on to our blogpost where our specialist shows you `how to enhance your content model using Wordlift mappings. <https://wordlift.io/academy-entries/wordlift-mappings-tutorial/>`_