Update index.md

Author: Tinker-Twins

docs/education/index.md

@@ -20,6 +20,6 @@
 
 - :material-youtube:{ .lg .middle } __K-12 STEM @ UPenn__
 
-    <iframe width="1280" height="560" src="https://www.youtube.com/embed/JrdSesiJ-T0?si=7Xmfc1l-f2AXI5ZO" title="K-12 STEM @ UPenn" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+    <iframe style="aspect-ratio: 16/9; width: 100% !important;" src="https://www.youtube.com/embed/JrdSesiJ-T0?si=7Xmfc1l-f2AXI5ZO" title="K-12 STEM @ UPenn" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
 
 </div>