var Prefixer = require('inline-style-prefixer');

var styles = {
  appearance: 'none',
  transition: '200ms all linear',
  userSelect: 'none',
  boxSizing: 'border-box',
  display: 'flex',
  color: 'blue'
}

var prefixer = new Prefixer({ userAgent: 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.2 (KHTML, like Gecko) Chrome/25.0.1216.0 Safari/537.2'})
var prefixedStyles = prefixer.prefix(styles)

console.log(prefixedStyles)