How to transfer pull up layout in CMS Wordpress?

Question

HTML

Good time of the day! There is a ready-made functioning site on WP, but the pages are connected to the CMS as templates, that is, it is possible to edit the content of the pages only in the template
file : Question: How to properly tighten the layout (bootstrap 4) so ​​that you can edit directly in WP itself without getting into the code ? Thanks in advance!

Answer 1

Acf is the most convenient wp admin solution. But you have to edit every template

Answer 2

If we are talking about editing templates, then Appearance -> Editor.
When it comes to content, there are different approaches. For example, custom fields. WP has the usual standard meta fields out of the box, or you can use the ACF plugin as a more functional option, and there are many other plugins.

Answer 3

Do you want to edit html markup from the admin?