lib/api/css.js
function stringify(obj) {
  return Object.keys(obj || {})
    .reduce(function(str, prop){
      return str += ''
        + (str ? ' ' : '')
        + prop
        + ': '
        + obj[prop]
        + ';';
    }, '');
}
function stringify(obj) {
  return Object.keys(obj || {})
    .reduce(function(str, prop){
      return str += ''
        + (str ? ' ' : '')
        + prop
        + ': '
        + obj[prop]
        + ';';
    }, '');
}
function stringify ( obj ) { return Object . keys ( obj || { } ) . reduce ( function ( str , prop ) { return str += '' + ( str ? ' ' : '' ) + prop + ': ' + obj [ prop ] + ';' ; } , '' ) ; }
Stringify `obj` to styles.

@param {Object} obj
@return {Object}
@api private
Stringify obj to styles .