Owen, thanks for the tip. Here is what works.
node = anvil.js.get_dom_node(self.drop_down_state)
node_select = node.querySelector('select')
node_select .style.borderColor = "red"
Owen, thanks for the tip. Here is what works.
node = anvil.js.get_dom_node(self.drop_down_state)
node_select = node.querySelector('select')
node_select .style.borderColor = "red"