Update app file

app.py

@@ -69,19 +69,19 @@ with col3:
         label = 'Select confidence threshold',
         min_value = 0.0,
         max_value = 1.0,
-        value = 0.8,
-        step = 0.05
+        value = 0.75,
+        step = 0.25
     )
     postprocess_match_metric = st.slider(
         label = 'Select IoU threshold',
         min_value = 0.0,
         max_value = 1.0,
-        value = 0.8,
-        step = 0.05
+        value = 0.75,
+        step = 0.25
     )
 
 st.write('##')
 
-col1, col2, col3 = st.columns([2, 1, 2])
+col1, col2, col3 = st.columns(3, gap='large')
 with col2:
     submit = st.button("🚀 Perform Prediction")