reduce size of h3

app.py

@@ -35,6 +35,9 @@ st.markdown(
         font-family: 'Whisper' !important;
         # font-size: 2.2rem !important;
     }
+    h3 {
+        font-size: 1.5rem !important;
+    }
     .big-font {
         font-size:20px !important;
         color: #2C3E50;