What is the meaning of bootstrap_html/css_WEB-ITnose

What is the application scenario of the bootstrap framework, and what is its significance, the front page? Backend page?

I haven’t understood it in detail yet. According to my current understanding, bootstrap has predefined many styles, layouts, effects, etc. You can create a beautiful website without a design draft, but if you have a design draft , can it be restored according to the design draft?

Who can enlighten me and talk about the positioning of bootstrap.

Reply to the discussion (solution)

Tell me your opinion
Bootstrap is positioned as a responsive front-end UI framework
Bootstrap can be divided into Three categories, layout, components, plug-ins
You can choose components and plug-ins, of course you can also use your own design
The layout is responsive and can automatically adapt to different window sizes, which means it can be used on mobile phones, PCs, and Pads A set of interfaces without additional development
Its layout is very flexible and is the core of Bootstrap. If you don’t use its layout, you don’t need to use the Bootstrap framework

His layout is very Flexibility is the core of Bootstrap. If you don’t use its layout, you don’t need to use the Bootstrap framework

In other words, is the application scenario of Bootstrap a responsive front-end page? If there are design draft requirements Yes, is it appropriate to use Bootstrap if you need to restore the renderings?
In fact, what I want to know most is the application scenarios of Bootstrap in terms of business requirements. When or what type of projects is it appropriate to use it?

Bootstrap Explain responsive design with a GIF