How can make iframe full width and height?

Question

Check my code and output and please help, thanks.
https://code.sololearn.com/WmnviKYU1D6m/?ref=app

Answer 1

/*try this */

body{
margin:0;
}
iframe
{
position:fixed;
top:0;
left:0;
height:100%;
width:100%;
border:none;
}

Answer 2

Try vh and vw instead of %
https://www.w3schools.com/cssref/css_units.asp

Answer 3

Thank you, that work correctly 💪🎉

Answer 4

Give iframe id and then css it width:100%;
height: auto;

Answer 5

I try that in css with iframe but didn't work. Thanks

Answer 6

I change it, but didn't work..

Answer 7

Can I get an element from iframe?
https://code.sololearn.com/WmnviKYU1D6m/?ref=app