Update app.py

app.py

@@ -63,7 +63,7 @@ def QnAfunction(question, QnAmodel):
 st.markdown("""
     <style> 
         .big-font {
-            margin: 50px 0 10px 0 !important;
+            margin: 15px 0 10px 0 !important;
             font-size:25px !important;
             font-weight: bold !important;
         }