vue-simple-range-slider/src/vue2/node_modules/clean-css/lib/optimizer/hack.js

Change Your numeric value or numeric range value with dragging handles

var Hack = {
  ASTERISK: 'asterisk',
  BANG: 'bang',
  BACKSLASH: 'backslash',
  UNDERSCORE: 'underscore'
};

module.exports = Hack;