<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>How Many Demos Do You Need</title>
  <meta name="viewport" content="width=device-width, scale=1">
  <style>
    .demo4 {
      display: flex;
      align-items: center;
      height: 700px;
      position: relative;
    }
    .demo4-inner {
      overflow: hidden;
      position: relative;
      margin: auto;
    }
    .demo4-photo {
      position: absolute;
    }
  </style>
</head>
<body>

<div id="content"></div>

<script src="./all.js"></script>
</body>
</html>

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>How Many Demos Do You Need</title>
  <meta name="viewport" content="width=device-width, scale=1">
  <style>
    .demo4 {
      display: flex;
      display: -webkit-flex;
      align-items: center;
      height: 700px;
      position: relative;
    }
    .demo4-inner {
      overflow: hidden;
      position: relative;
      margin: auto;
    }
    .demo4-photo {
      position: absolute;
    }
  </style>
</head>
<body>

<div id="content"></div>

<script src="./all.js"></script>
</body>
</html>

Fix safari demo 4 bug
Fix safari demo 4 bug
