Does cq-prolyfill inlined my style?

[ariona]

I was wondering why my sourcemaps isn't working, since the style is being inlined in the head but i haven't done that.

Turn out the cq-prolyfill did that, is there any way to still use sourcemap while using cq-prolyfill.

[ausi]

Yes, cq-prolyfill has to convert the :container() parts of the CSS so that the browser can parse it. You can prevent that by using the PostCSS plugin or Sass mixin. And you should enable CORS if the stylesheet is loaded from a different domain.