.postcssrc.js

module.exports = {
    "plugins": {
        "postcss-import": {},
        "postcss-url": {},
        "postcss-aspect-ratio-mini": {},
        "postcss-write-svg": {
            "utf8": false
        },
        "postcss-cssnext": {},
        "postcss-px-to-viewport": {
            "viewportWidth": 750,
            "viewportHeight": 1334,
            "unitPrecision": 3,
            "viewportUnit": "vw",
            "selectorBlackList": [
                ".ignore",
                ".hairlines"
            ],
            "minPixelValue": 1,
            "mediaQuery": false
        },
        "postcss-viewport-units": {},
        "cssnano": {
            "assets": "default"
        },
        "postcss-sorting": {
            "order": [
                "custom-properties",
                "dollar-variables",
                "declarations",
                "rules",
                "at-rules"
            ],
            "properties-order": [
                "display",
                "position",
                "float",
                "clear",
                "visibility",
                "overflow",
                "width",
                "height",
                "margin",
                "padding",
                "border",
                "background",
                "color",
                "font",
                "text-decoration",
                "text-align",
                "vertical-align",
                "white-space",
                "break-word",
                "z-index",
                "opacity",
                "content",
                "cursor"
            ],
            "unspecified-properties-position": "bottom"
        }
    }
}