Update app.py

app.py

@@ -42,7 +42,7 @@ def main():
     st.set_page_config(page_title="Chemistry Instructor", page_icon="⚖️")
     st.header("ChatGPT Based Chemistry Assistant")
     st.markdown(css_code, unsafe_allow_html=True)
-    st.components.v1.iframe("https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table&embed=true", width=700, height=800, scrolling=True)
+    st.components.v1.iframe("https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table&embed=true", width=700, height=700, scrolling=True)
 
     with st.sidebar:
         st.write("---")