In the app, an Iframe is rendered in HTML and it gets some ridiciolus z-index value and covers whole the page. This makes my other components completely unreachable, unclickable. I just started working on this existing app so don't know where this iframe might be coming from.

I have searched for the iframe and its style values in folders but found nothing actually. This image shows script tag inside body may be includes something worth a look. I have reduced the width and height and changed the bg-color of iframe to make it visible

So, If you have an idea, please share with me. Thank you.