text: $( document ).ready(function() {
      
      "use strict";
      
      $('a[href^="#"]').on('click',function (e) {
          e.preventDefault();
  
          var target = this.hash;
          var $target = $(target);
          var scrollTo = $target.offset().top - 20
  
          $('html, body').stop().animate({
              'scrollTop': scrollTo
          }, 1000);
      });
      $('pre').addClass('prettyprint');
      prettyPrint();
  });
  