Update app.py

app.py

@@ -13,7 +13,7 @@ urls = [
 col1,col2 = st.columns(2,gap ="small")
 
 with col1:
-    iframe_code = f'<iframe src="{urls[0]}" width="850" height="450" frameborder="0"></iframe>'
+    iframe_code = f'<iframe src="{urls[0]}" width="850" height="450" style="border:0;"></iframe>'
     st.markdown(iframe_code, unsafe_allow_html=True)
 with col2:
     iframe_code = f'<iframe src="{urls[1]}" width="850" height="450" style="border:0;"></iframe>'
@@ -21,8 +21,8 @@ with col2:
 
 col3,col4 = st.columns(2,gap ="small")
 with col3:
-    iframe_code = f'<iframe src="{urls[2]}" width="100%" height="400" style="border:0;"></iframe>'
+    iframe_code = f'<iframe src="{urls[2]}" width="850" height="450" style="border:0;"></iframe>'
     st.markdown(iframe_code, unsafe_allow_html=True)
 with col4:
-    iframe_code = f'<iframe src="{urls[3]}" width="100%" height="400" style="border:0;"></iframe>'
+    iframe_code = f'<iframe src="{urls[3]}" width="850" height="450" style="border:0;"></iframe>'
     st.markdown(iframe_code, unsafe_allow_html=True)