How to remove (widget-sidebar-navbar-footer) blogspot (Blgger) Template

simply I like a blogger template Name: Essentialbut I want to:-

remove :

1. Sidebar
2. Header
3. Navbar
4. Footer
5. Menu

with thier styles, scripts and meta

kEEP:

1. Post
2. Post Content
3. Static Page

with their styles, scripts and meta

I tried more but I could not. this is the template I am talking about I insert URL because I could not insert full xml code here

1. https://basbabbas.blogspot.com/
2. Template here https://pastebin.com/md59EaXj

if you not understand my question tell me and will explain. but as I said above I want every thing in this template remove except pot post content and static page with their style .