     height: 5em;
      }
    }

    @keyframes load1 {
      0%,
      80%,
      100% {
        box-shadow: 0 0;
        height: 4em;
      }
      40% {
        box-shadow: 0 -2em;
        height: 5em;
      }
    }
  </style>
</head>

<body>
  <div id="app-container">
    <div class="loader">Loading...</div>
  </div>

  <script>
    var _hmt = _hmt || [];
    (function() {
      var hm = document.createElement("script");
      hm.src = "https://hm.baidu.com/hm.js?3b2d8df3db49728c823d376ed9ca4503";
     