Iframe style | Proxies-free – Webmaster Forum

Hello the master of the code or anybody who knows,just want to learn something
I have an example to embed from another website
<iframe src=”http://www.wjunction.com/….com” width=”720″ height=”405″></iframe>
Then if you try will display a page which you embed,my question is
How to hide any elements inside the iframe we embed?
I know this is a rubbish question but please help me