Update app.py

app.py

@@ -368,10 +368,8 @@ index_html = f'''
     <div>
         <iframe
 	src="https://helliun-metaknowledge.hf.space"
-	frameborder="0"
-	width="850"
-	height="450"
-></iframe>
+	style="border: 0; width: 100%; height: calc(100vh - 50px);"></iframe>
+    </div>
     </div>
 </body>
 '''