为啥 padding-top 里面的内容 是引号引起来的？ about postcss-aspect-ratio-mini HOT 6 CLOSED

}

module.exports = {
  plugins: {
    // autoprefixer: {},
    
    "postcss-write-svg": {
      utf8: false
    },
    "postcss-cssnext": {},
    "postcss-px-to-viewport": {
      viewportWidth: 750,     // (Number) The width of the viewport.
      viewportHeight: 1334,    // (Number) The height of the viewport.
      unitPrecision: 3,       // (Number) The decimal numbers to allow the REM units to grow to.
      viewportUnit: 'vw',     // (String) Expected units.
      selectorBlackList: ['.ignore', '.hairlines'],  // (Array) The selectors to ignore and leave as px.
      minPixelValue: 1,       // (Number) Set the minimum pixel value to replace.
      mediaQuery: false       // (Boolean) Allow px to be converted in media queries.
    },
    "postcss-viewport-units": {},
    "postcss-aspect-ratio-mini": {},
    "cssnano": {
      preset: "advanced",
      autoprefixer: false,
      "postcss-zindex": false
    }
  }
}

{
  "name": "video",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build",
    "lint": "vue-cli-service lint"
  },
  "dependencies": {
    "cssnano": "^4.0.5",
    "postcss-aspect-ratio-mini": "^0.0.2",
    "postcss-cssnext": "^3.1.0",
    "postcss-px-to-viewport": "^0.0.3",
    "postcss-viewport-units": "^0.1.4",
    "postcss-write-svg": "^3.0.1",
    "register-service-worker": "^1.0.0",
    "vue": "^2.5.17"
  },
  "devDependencies": {
    "@vue/cli-plugin-babel": "^3.0.1",
    "@vue/cli-plugin-eslint": "^3.0.1",
    "@vue/cli-plugin-pwa": "^3.0.1",
    "@vue/cli-service": "^3.0.1",
    "cssnano-preset-advanced": "^4.0.0",
    "node-sass": "^4.9.0",
    "sass-loader": "^7.0.1",
    "vue-template-compiler": "^2.5.17"
  }
}

 aspect-ratio: '350:196';
aspect-ratio: "350:196";