ie support for css columns

// include Columnizer-Jquery-Plugin

(function ($) {
  $(document).ready(function ($) {
    return (function () {
      if (!Modernizr.csscolumns) { // eslint-disable-line no-undef
        $('section.section-your-challenge-tabs .tab-content-sub ul').columnize({
          columns: 2,
          lastNeverTallest: true
        });
      }
    }
  }()); 
});