POSTCSS

Transform CSS with the power of JavaScript. Auto-prefixing, future CSS syntaxes, modules, linting and more are possible with hundreds of PostCSS plugins... Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you... PostCSS Preset Env, lets you convert modern CSS into something most browsers can understand, determining the polyfills you need based on your targeted browsers or runtime environments, using cssdb.