Remove the responsive bootstrap utils.

ui/src/components/iframely-card.tsx

@@ -84,12 +84,10 @@ export class IFramelyCard extends Component<
           </div>
         )}
         {this.state.expanded && (
-          <div class="my-2 embed-responsive embed-responsive-16by9">
           <div
-              class="embed-responsive-item"
+            class="my-2"
             dangerouslySetInnerHTML={{ __html: iframely.html }}
           />
-          </div>
         )}
       </>
     );