Update app.py

app.py

@@ -26,6 +26,13 @@ def SetIframeURL(option_selected):
     width=1024
     height=1024
     st.components.v1.iframe(src, width, height, scrolling=True)
+    
+    st.markdown(f'''
+    <style>
+        section[data-testid="stSidebar"] .css-ng1t4o {{width: 14rem;}}
+        section[data-testid="stSidebar"] .css-1d391kg {{width: 14rem;}}
+    </style>
+''',unsafe_allow_html=True)
 
 # query params exist
 try: