text: 'use strict';
  
  /**
   * IE 8 opacity
   * Adapted from rework-mixins
   */
  
  module.exports = function (str) {
      var vals = str.split(/\s+/);
      var a = parseFloat(vals.shift());
      var n = a * 100 | 0;
      var tail = vals.length ? ' ' + vals.join(' ') : '';
      return {
          'opacity': a + tail,
          '-ms-filter': '"alpha(opacity=' + n + ')"' + tail
      };
  };
  