<!DOCTYPE html>
<html>
    <head>
        <style>
            .right {
                position: relative;
                width: 150px;
                height: 150px;
                -webkit-box-reflect: right 10px;
            }
            .below {
                width: 150px;
                height: 150px;
                -webkit-box-reflect: below 10px;
            }
            .container {
                height: 100px;
                width: 100px;
                background-color: green;
                opacity: 0.5;
                will-change: transform;
            }
            .container div {
                position: relative;
                top: 10px;
                left: 10px;
                height: 100px;
                width: 100px;
                will-change: transform;
            }
            .child1 {
                background-color: blue;
            }
            .child2 {
                opacity: 0.5;
                background-color: yellow;
            }
            .child3 {
                background-color: red;
            }
            .child4 {
                background-color: green;
            }
        </style>
    </head>
    <body>
        <div class="right">
            <div class="below">
                <div class="container">
                    <div class="child1">
                        <div class="child2">
                            <div class="child3">
                                <div class="child4">
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </body>
</html>