How to simplify the adaptation of tabular layout in 2019 as much as possible?

Question

css

The entire site is on tables. You need to adapt it. All sizes are fixed in pixels. What is the easiest and best way to do it?

Answer 1

Two options:
1- score and leave as is
2- if there is a tabular layout, then the design of the beginning of the century, so the easiest way is to order a new design and make a normal layout for it.