<!DOCTYPE html>
<head>
    <style>
        div {
            padding: 10px;
            background-color: rgba(0, 0, 0, 0.2);
            border: 1px solid black;
        }
        
        .container {
            position: absolute;
            z-index: 0;
        }
        
        #middle {
            position: relative;
        }
        
        #child {
            position: relative;
        }
        img {
            position: relative;
        }
    </style>
</head>
<body>
    <div class="container">
        container
        <div id="middle">
            middle
            <div id="child">
            </div>
            <img id="image">
        </div>
    </div>
</body>
</html>