code: def test_inbs003_styles_are_scoped(dash_dcc):
      app = Dash(__name__)
  
      app.index_string = """
      <html>
          <body>
              <input id="ExternalInput" required />
              {%app_entry%}
              {%config%}
              {%scripts%}
              {%renderer%}
          </body>
      </html>
      """
  
      app.layout = html.Div(
          className="test-input-css",
          children=[
              dcc.Input(
                  id="DashInput", required=True, className="unittest"
              )
          ],
      )
  
      dash_dcc.start_server(app)
  
      external_input = dash_dcc.find_element("#ExternalInput")
      dash_input = dash_dcc.find_element(".unittest")
  
      external_outline_css = external_input.value_of_css_property(
          "outline"
      )
      dash_outline_css = dash_input.value_of_css_property("outline")
  
      assert external_outline_css != dash_outline_css
  
imports: import pytest
  from selenium.common.exceptions import WebDriverException
  from dash import Dash, Input, Output, dcc, html
label_desc: Use image node_id 3 for calling a global function with example usage: test_inbs003_styles_are_scoped(dash_dcc) without return types