What are the differences between Bootstrap deployments?

More precisely, there are two ways to deploy bootstrap:(Downloading and distributing compiled css on your own is almost the same effect as downloading from a CDN, so I will ignore it once.)

The bootstrap framework itself is written in sass, which provides the following benefits that a simple css cannot achieve, especially when it comes to the user's point of view:

• Variable options, colors, widths, etc. to allow users to set and customize themselves

The explanatory materials for that are as follows. https://getbootstrap.com/docs/4.0/getting-started/theming/

Also, if we are going to design a website in earnest, I think we would like to use some kind of mechanism to structure and handle css. Personally, I think sash is a mechanism worth introducing, even if it is just for its structuring functionality.

So if it's me:

• If it's for practice and you don't design the site without any problems using the default bootstrap theme (color usage, width, etc.)
• If you want to customize your own theme, you can compile sass

I think it would be better to