Why is my page not scrollable? 100% working

Why is my page not scrollable?

Put This code in head tag

Try this: css 

<style type="text/css">
html { overflow-y: scroll; }
body { position: absolute; }
</style>

Or this:

<style type="text/css">
html { overflow-y: scroll; overflow-x:hidden; }
body { position: absolute; }

</style>