colorStops(params) {
    let result = []
    for (let i = 0; i < params.length; i++) {
      let pos
      let param = params[i]
      let item
      if (i === 0) {
        continue
      }

      let color = parser.stringify(param[0])
      if (param[1] && param[1].type === 'word') {
        pos = param[1].value
      } else if (param[2] && param[2].type === 'word') {
        pos = param[2].value
      }

      let stop
      if (i === 1 && (!pos || pos === '0%')) {
        stop = `from(${color})`
      } else if (i === params.length - 1 && (!pos || pos === '100%')) {
        stop = `to(${color})`
      } else if (pos) {
        stop = `color-stop(${pos}, ${color})`
      } else {
        stop = `color-stop(${color})`
      }

      let div = param[param.length - 1]
      params[i] = [{ type: 'word', value: stop }]
      if (div.type === 'div' && div.value === ',') {
        item = params[i].push(div)
      }
      result.push(item)
    }
    return result
  }
Change colors syntax to old webkit