custom full page modal with zoom effect

full page modal without bootstrap

HTML

<link rel="stylesheet" href="https://www.mysolartoolkit.com/toolkit/animate/animate.min.css">
<div class="am-modal" id="examples-modal">
  <a href="javascript:void(0);" class="am-colse"> Back</a>
  <div class="head">
    Trying Modal with zoonIn and out effect
  </div>
  
</div>
<a href="javascript:void(0)" class="am-modal-trigger" data-am-target="#examples-modal">Modal Trigger</a>

CSS

.am-modal {
  display: none;
  width: 100%;
  position: absolute;
  top: 0px;
  left: 0px;
  background-color: #2c3e50;
  padding : 20px;
}
.am-modal a{
  float : float;
}
.head{  
  margin-top : 40px;
  font-size : 25px;
  color : #fff;
  text-align : center;
}

JavaScript

$(document).ready(function(e) {

  resizeDiv();
  window.onresize = function(event) {
    resizeDiv();
  }

  function resizeDiv() {
    vpw = $(window).width();
    vph = $(window).height();
    $('.am-modal').css('height', vph + "px");
  }

  $('.am-modal-trigger').on('click', function() {
    var target = $(this).data('am-target');
    $(target).css('display','block');
    $(target).addClass('zoomIn');
  });
	
  $('.am-colse').on('click', function() {
    $(this).parent().removeClass('zoomIn').addClass('zoomOut');
  	$(this).parent().css('display','none');
  });
  
  
aks