There are some steps to find the specific section selector, please follow the below steps:-

1. First, by clicking the right-click button on the mouse, and do inspect it.

•    For example, we want to hide the "Subscribe to our emails" section.
  

2. Now find the class or id that is specific to that section and copy it.

3. Add the selector in the section rule, and save it.

4. Now the section will be hidden from the store for added countries.