improvements reflecting recent Sitix updates

site/culturalstuff/cultureVideo.html

@@ -0,0 +1,10 @@
+[?]
+[=videoEmbed-]
+<iframe width="100%" height="100%" src="https://www.youtube.com/embed/B0J27sf9N1Y"
+    title="Blender Tutorial for Complete Beginners - Part 1" frameborder="0"
+    allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
+    allowfullscreen></iframe>
+[/]
+[=text-]
+Text related to the cultural image.
+[/]