How to style checkbox and radio in Bitrix web forms with minimal edits?

Question

css

Preferably only css selectors.
Sample checkbox option

<input type="checkbox" name="test"/>
  <label for="test">
    <span>Tested checkbox</span>
  </label>

Answer 1

Enable webforms in advanced mode and pass class and id parameters through fields in the settings of each field.

Answer 2

habrahabr.ru/post/144104