How to indent all content on a site?

Question

Android

Hello, I have this layout. How to indent left and right for all content on the site, and not set in each block for extreme tags?

Answer 1

System utilities, for example, such as Camera or Task Manager, cannot be replaced, I myself searched for a lot of information on this topic. Only application applications can be replaced

Answer 2

Not normally.
What confuses you 4-5 blocks with one class? That's what classes are for ;)

Answer 3

either a class with padding, or a wrapper of
other solutions does not yet come to mind