only top and bottom padding should be 0

app.py

@@ -30,7 +30,7 @@ def input_is_ready(password, audio_file, url):
 
 def run():
     st.markdown(
-        "<style>section.main > div:first-child { padding: 0}</style>",
+        "<style>section.main > div:first-child { padding-top: 0; padding-bottom: 0; }</style>",
         unsafe_allow_html=True,
     )