Update app.py

app.py

@@ -68,6 +68,7 @@ h3 {
     display:block;
     font-family: custom;
     font-weight: normal;
+    font-size: 1.5em;
 }
 """
 
@@ -306,19 +307,11 @@ class Engine(object):
             map = Map(location=BASE_LOCATION, zoom_start=1)
             map._name, map._id = 'visu', '1'
 
-            icon_star = BeautifyIcon(
-                icon='star',
-                border_width=10,
-                inner_icon_style='color:red;font-size:20px;margin-top:0;',
-                background_color='transparent',
-                border_color='transparent',
-                icon_anchor=(0, 0)
-            )
             feature_group = FeatureGroup(name='Ground Truth')
             Marker(
                 location=[true_lat, true_lon],
                 popup="True location",
-                icon=icon_star,
+                icon_color='red',
             ).add_to(feature_group)
             map.add_child(feature_group)