Incorrect Permissions Are Assigned To The Files And/or Folders Listed Below. --- Install

I have a problem when installing.
it asks me for permissions:
/var/www/html/cscart/config.local.php - no read or write permissions (666)
/ var / www / html / cscart / images - (and all its subdirectories) - no read, write and execute permissions for all users (777)
/ var / www / html / cscart / design - (and all its subdirectories) - no read, write and execute permissions for all users (777)
/ var / www / html / cscart / var - (and all its subdirectories): no read, write and execute permissions for all users (777)
Which I already grant according to the instructions:
1.- chmod 666 config.local.php and chmod 644 config.local.php = nothing
2.- chmod -R 755 design images var and chmod -R 777 design images var = nothing
-version of apache 2.4.6
-version of php 7.4.16
-7 centOS (AWS)
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please help :-( :confused: :confused: