PostCSS Directions PostCSS plugin to convert properties between rtl and ltr. Just prefix usual CSS properties with -ltr- or -rtl-. .float-left { -ltr-float:left; -rtl-float:right;} .float-left { float:left;} Usage postcss([ require('postcss-directions') ]) Options direction - what prefixed properties to output. Default - ltr See PostCSS docs for examples for your environment.