Posted on January 22, 2020 by jamie

Method 1:

In the Magento Admin. Go to System > Tools > Cache Management and click Flush Static Files Cache.

If having issues setting permishsion or

Method 2:

If you just changed the CSS file which already exists, what you need to do is just delete the corresponding file in pub/static, then when you refresh the page, it will generate the new version CSS file. It works in the developer mode.

Ensure pub/static/.htaccess isn’t deleted.