I have seen this question a lot, and always with an answer to deploy content or a missing .htaccess in pub/static or to clear cache, processed files in var,

Did all of this without success.

I created a a custom them, or better copied the folder from another of my MAGENTO DIRECTORY.

Permissions and ownership seems alright, they have to be if on pub/static the Luma and Blank are creating files with no problem, I have also custom Js on my custom theme, all deployed with no problem.

If I work with Grunt (uninstalled now) all LESS files are there, all but these 3 CSS files in the subject. They should be inherited by the Luma theme by configuration anyway.

any idea?

2 Answers 2


Location of pub/static/frontend/PackageName/ThemeName/en_US/css/

Those files will be available in app/design/frontend/PackageName/ThemeName/web/css/bootstrap/

Check custom theme css folder to check bootstrap folder exists or not.

  • Is bootstrap an example? Cause I do not have or need a bootstrap folder, Also as already pointed out, I have taken Theme created by me from another Magento installation, and there all work good Commented May 24, 2018 at 7:31
  • All less file is generate from bootstrap , source folder.
    – MR.R DNATH
    Commented May 24, 2018 at 8:10
  • Yes but there is no documentation about puttinga bootstrap folder in that location Commented May 25, 2018 at 7:23

I ended up reinstalling everything and the problem dissappear

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