CSS not applying in drupal 8 site I have upgraded my site from 8.1.3 to 8.4 after that, while i load any pages. CSS is not been applied



View source:



while inspecting in browser



Cases tried: Placed an image file in the (core/themes/seven) folder and I can successfully access it from the browser.
I have followed this and disabled the css/js aggregation. Css were applied.