To solve the errors I have to modify calendar.css and styles-m.css. What are the proper way of customizing theses css files in my custom theme.

These are the file paths where I want to modify.

  1. static/frontend/DGX/Luma/en_US/mage/calendar.css

  2. static/frontend/DGX/Luma/en_US/css/styles-m.css

  3. static/frontend/DGX/Luma/en_US/css/styles-l.css

  4. static/frontend/DGX/Luma/en_US/css/print.css

Any help would be appreciated.

1 Answer 1


don't look in pub/static folder its not good practice. if you need to change any css property please follow below instruction.

first you need to create your custom theme refer this link

for examle:

To override app/design/frontend/Magento/blank/web/css/source/_theme.less

Copy the file app/design/frontend/Magento/blank/web/css/source/_theme.less to the folder app/design/frontend/<Vendor>/<Theme Name>/web/css/source/_theme.less

then make changes, clear the cache of magento and browser. you could able to see the changes.

similarly you can done for CSS

in case you need any clarification just mention in comment

refer this for css change

  • Yes,I did the same .But for calendar.css I don't understand where I have to copy the file.Because it is located at magento/lib/web/mage/calendar.css,outside of the theme directory.
    – anindita
    Commented Apr 20, 2016 at 4:13

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