After upgrade gem not working

[MuhammadTamzid]

Hello,
First of its a nice gem for date-range picker. Thanks for you good work.
After your recent upgrade its not working for me.

0.1.7 - November 23, 2017 (20 KB)
0.1.6 - November 23, 2017 (20 KB)

ExecJS::RuntimeError in StaticPages#home

CssSyntaxError: /home/tamzid/.rvm/gems/ruby-2.3.3/gems/bootstrap-daterangepicker-rails-0.1.7/vendor/assets/stylesheets/daterangepicker-bs3.css:5:46: Missed semicolon

  3 | // @author: Dan Grossman http://www.dangrossman.info/
  4 | // @copyright: Copyright (c) 2012-2015 Dan Grossman. All rights reserved.
> 5 | // @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
    |                                              ^
  6 | // @website: https://www.improvely.com/
  7 | //

Do you have any suggestion?

Thank you.