<!DOCTYPE html>
<html>
<head>
    <style>
        body {
            height: 6000px;
        }
        .box {
            position: absolute;
            top: 5718px;
            left: 10px;
            width: 200px;
            height: 200px;
            background-color: green;
        }
        
        .fixed-background {
            margin-top: 300px;
            height: 200px;
            background-image: linear-gradient(white, silver);
            background-attachment: fixed;
        }
    </style>
</head>
<body>

<div class="box"></div>

<div class="fixed-background">
    I have a fixed background.
</div>
<script>
    window.scrollTo(0, 6000);
</script>
</body>
</html>