How can i learn framework

Answer 1

that's an html framework. your post tag doesn't fit as it says C#.
Google for framework 7 and you'll find their website framework7.io
there you'll find the documentation. maybe there are tutorials or videos on that topic on other websites too.
personally I've never heard of it before...

Answer 2

Read the documentation of it.

Answer 3

In the official website of the framework.

Answer 4

What framework do you want to use?

Answer 5

Where

Answer 6

Help me with the link

Answer 7

Framework 7