text: document.addEventListener('DOMContentLoaded', function () {
      particleground(document.getElementById('particles'), {
          dotColor: '#30AC6A',
          lineColor: '#30AC6A'
      });
      var intro = document.getElementById('intro');
      intro.style.marginTop = - intro.offsetHeight / 2 + 'px';
  }, false);
  
  $(function () {
      $('[data-toggle="tooltip"]').tooltip()
  })
  