text: /**
   *
   * You can write your JS code here, DO NOT touch the default style file
   * because it will make it harder for you to update.
   * 
   */
  
  "use strict";
  
  $(function(){
      
      setInterval(function(){
          for(let btn of $(".btn-close")){
              $(btn).removeClass("btn-close");
              $(btn).addClass("close");
              $(btn).append('<span aria-hidden=\\"true\\">&times;</span>');
          }
      },500)
  })
  