Errors in css

[Hego2017]

Hi:

When I try to tip my own css, as "assets/style.css" as "style.css" in theme root, and run "npm run production" I have this errors, and production not working.
6:79988 ✖ Expected an empty line before property "border-top" order/properties-order 6:80176 ✖ Expected an empty line before property "width" order/properties-order 6:80199 ✖ Expected "overflow" to come before "height" order/properties-order 6:80199 ✖ Expected an empty line before property "overflow" order/properties-order 6:80406 ✖ Expected an empty line before property "display" order/properties-order 6:80420 ✖ Expected an empty line before property "margin" order/properties-order 6:80429 ✖ Expected an empty line before property "font-family" order/properties-order 6:80599 ✖ Expected "font-weight" to come before "font-style"

You are using @apply rule and custom property sets. This feature won't be included in the next major release of postcss-cssnext. This most likely won't get any more support from browser vendors as the spec is yet considered deprecated and alternative solutions are being discussed.

I tried deleting @import './_tailwind'; but it not working yet.

[EvanAgee]

@Hego2017 those are notices, not errors. They're being produced by stylelint and can be ignored OR you can make the suggested changes.

[Hego2017]

Yes, thanks.
Then, I do not understand why 'npm run production' not working anyway.