So your example is a list, and lists are supported by Webflow. Not all the parameters of lists though, so you’ll need a mix of lists elements and custom code.
Your solution would take quite some time to sort and think it won’t quite work fully.
I have tried another way so far which isn’t perfect but a good compromise by bolding the number and selecting that box so I then can add padding for some spacing, along with character spacing (Shift & Space):