** This question is purely hypothetical **
Imagine I have a website with the following code:
<head>
<style>
body {
background-color: red;
}
</style>
</head
<body>
<p>blah</p>
</body>
If I were to embed this website in another one using an iframe, and the parent website has a white background, would I be able to use CSS within the iframe to change the background color of the parent website to red? Your thoughts are appreciated.
In my opinion, direct modification of the DOM elements in an iframe is not possible. Each website has its own unique DOM tree and CSS formatting.
While the iframe website has a different DOM structure, you can consider reading and parsing the source code output of the iframe using PHP to make modifications.
An alternative approach involves utilizing JavaScript as discussed at How to change content of website loaded in iframe?
You could use the following PHP snippet:
$iframe_source = file_get_contents('http://www.example.com/');
Refer to the PHP documentation for more details: https://www.php.net/manual/de/function.file-get-contents.php
After acquiring the iframe's source code, you can modify the DOM structure using your CSS files to format specific elements. This method has both advantages and disadvantages:
Advantages:
Disadvantages:
Special Note:
itty.bitty.site represents a unique concept diverging from traditional webpages. Learn more about this innovative technique here: https://github.com/alcor/itty-bitty
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