Can External CSS Be Contained Within a Specific Div Element?

Can External CSS Be Limited to Specific Elements?

In the pursuit of creating a mobile simulator that mimics the behavior and appearance of an iPhone using only client-side code, a developer faced a challenge. External CSS files used for the app overrode the CSS styling the simulator itself.

So, is it possible to confine the effects of an external CSS file to elements within a specific

?

Scoped Styles

According to CSS-Tricks, scoped styles may provide a solution:

<div>
    <style scoped>
        @import "scoped.css";
    </style>
</div>

However, browser support for scoped styles is limited.

Alternative Approach

Another option is the use of an iframe. By creating an iframe within the simulator, the app's CSS can be isolated from the surrounding page. This ensures that the app's appearance and functionality remain unaffected by external CSS files.

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