What should be included in bootstrap?

Question

Layout

Friends, this is the question. What is the right way and what do I need to connect in the bootstrap if I only need adaptability from it?

Answer 1

All you need is a grid.
In the customizer, you can select a grid and download a ready-made set of files.
Customize and download
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In general, for work it is enough to include
css/bootstrap.css
js/bootstrap.min.js