<!DOCTYPE html>
<html>
    <head>
        <style>
            div {
                opacity: 0.8;
                border-radius: 1px;
            }
            body > div > div > div {
                width: 150px;
                height: 150px;
                margin-left: -10px;
                position: relative;
                top: 0;
                background: green;
            }
            body > div {
                height: 100px;
                overflow: hidden;
            }
            body > div > div {
                width: 200px;
                height: 200px;
                position: absolute;
            }
        </style>
    </head>
    <body>
        <div>
            <div>
                <div></div>
            </div>
        </div>
    </body>
</html>