text: import dash_bootstrap_components as dbc
  import dash_html_components as html
  
  button_groups = html.Div(
      [
          dbc.ButtonGroup(
              [dbc.Button("Left"), dbc.Button("Middle"), dbc.Button("Right")],
              size="lg",
              className="mr-1",
          ),
          dbc.ButtonGroup(
              [dbc.Button("Left"), dbc.Button("Middle"), dbc.Button("Right")],
              size="md",
              className="mr-1",
          ),
          dbc.ButtonGroup(
              [dbc.Button("Left"), dbc.Button("Middle"), dbc.Button("Right")],
              size="sm",
          ),
      ]
  )
  