Why does the intellij idea in the files of the web directory have an indentation of two spaces, and the rest four?

Question

IntelliJ IDEA

Good afternoon.
In the project, the files are indented by 4 spaces, but if the files are in the web folder, then there are indented 2 spaces in the same files.
That is, I take the file at the root of test.php, put 4 spaces there, copy it to web or any web subfolder, indent it, put 2 spaces.
At the same time, everything is fine in other projects in the web folder.
.idea deleted
web renamed to web1
Nothing helps, the feeling that there is some kind of settings file in the web, but I don’t see anything like that.

Answer 1

Found the file.
It's called .editorconfig

# Drupal editor configuration normalization
# @see http://editorconfig.org/

# This is the top-most .editorconfig file; do not search in parent directories.
root = true

# All files.
[*]
end_of_line = LF
indent_style = space
indent_size = 2
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true

[composer.json]
indent_size = 4

If you change indent_size = 2 to indent_size = 4, everything falls into place.
EditorConfig - One Settings for all Editors/IDEs