<!DOCTYPE html>
<html>
<head>
    <style>
        body {
            margin: 0;
        }
        .container {
            border: 20px solid blue;
            padding: 12px;
            height: 400px;
            width: 500px;
            margin: 20px;
            background-color: orange;
            outline: 12px solid rgba(0, 0, 0, 0.25);
        }
        
        .frame {
            height: 100%;
            width: 100%;
            background-color: silver;
            padding: 10px;
            box-sizing: border-box;
        }
        
        .box {
            width: 200px;
            height: 200px;
            background-color: green;
        }
        .scrollbar-obscurer {
            position: absolute;
            height: 400px;
            width: 18px;
            top: 52px;
            left: 534px;
            background-color: gray;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="frame">
            <div class="box"></div>
        </div>
    </div>
    <div class="scrollbar-obscurer"></div>
</body>
</html>