How can you quickly raise the admin panel?

Question

CMS

With what you can raise the admin panel for the corporate site (approximately
pages 30-35)
by expanding the possibilities, i.e. the usual scalability of the project
The site is currently made up on html, css, js
Attention! Please forgive me if I worded something wrong.

Answer 1

WinSCP to help you)))
"Admin panel" in the form of an explorer. Rewrite html, css, js files and see the site.
Problems: the server needs FTP or SSH.
You most likely need "https file manager"

Answer 2

With the help of a programmer.