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javascript - Unable to change the styling properties inside an iframe body tag

enter image description hereI have written this html script to display wikipedia inside iframe but i want to change the background color of it, below is the code snippet which i tried. but its not working.

<!DOCTYPE html> 

<html> 

<head> 
<style>

    body {
        background-color: blue !important;
       /* Adding !important will give this rule more precedence over inline style */
    }



</style>

  

</head> 

<body> 

<iframe style="background-color:#fc3 !important;" src="https://www.wikipedia.org/" width="100%" height="450px" > 
</iframe>
 
</body> 

</html> 

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You cannot modify the contents of an iframe before loading (using CSS), because it is displaying content from another page. After it loads, you may modify it with javascript.


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