set default size

nicegui/elements/leaflet.py

@@ -23,6 +23,7 @@ class Leaflet(Element, component='leaflet.js'):
                  ) -> None:
         super().__init__()
         self.add_resource(Path(__file__).parent / 'lib' / 'leaflet')
+        self._classes.append('nicegui-leaflet')
 
         self.layers: List[Layer] = []
 

nicegui/static/nicegui.css

@@ -90,6 +90,7 @@
 }
 .nicegui-aggrid,
 .nicegui-echart,
+.nicegui-leaflet,
 .nicegui-scroll-area {
   width: 100%;
   height: 16rem;