What actually bootstrap do on webpage ? Explain in simple way

Question

Bootstrap role on webpage

Answer 1

Bootstrap is a CSS library/framework.

CSS itself is one of those things that's notorious for being relatively easy to learn the initial concepts of, but rather difficult to master. That is, the concepts behind CSS are easy - you have selectors that pick things on the page, properties on those things you wanna modify, and then a value you wanna assign - but actually getting the CSS to do exactly what you want can be a pain.

Enter: Bootstrap. Bootstrap (and libraries like it) are designed to allow you to include a few pre-defined HTML classes and get a decent looking website without having to be a CSS wizard.

Advantage: Designing a decent looking website is pretty easy.

Disadvantage: All bootstrap sites look pretty similar after a while.

Answer 2

Nav

In a simple way it is use to make responsive website.