<!DOCTYPE html>
<html>
<head>
  <title>jQuery Animation Effects</title>
  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <style>
    #box {
      width: 100px;
      height: 100px;
      background-color: blue;
    }
  </style>
</head>
<body>
  <div id="box"></div>
  <button id="animateButton">Animate</button>
  <script>
    // Animation effects using jQuery
    $(document).ready(function(){
      $("#animateButton").click(function(){
        $("#box").animate({left: '250px', opacity: '0.5', height: '150px', width: '150px'}, "slow");
      });
    });
  </script>
</body>
</html>