<!DOCTYPE html>
<style>
body {
    height: 2000px;
    width: 2000px;
}
#fragment {
    position: absolute;
    top: 800px;
    background-color: #faa;
    display: block;
    height: 100px;
    width: 100px;
}

</style>
<body>
Page with fragment
  <a id="fragment" name="fragment" class='box'></a>
</body>