Tips for incorporating data attributes into <figure> elements and retrieving them using CSS

Can we enhance a <figure> element by adding data attributes and then utilizing them in CSS?

For example, I attempted

figure { margin: 0 attr(data-margin %); }

using

<figure data-margin="15">...</figure>

but it didn't yield the desired results.

Is there an alternative method that doesn't involve JavaScript?

UPDATE: I don't believe my inquiry is a duplicate. I am seeking a different approach to achieve this.

I intend to customize certain elements on a page with attributes that end users can access and leverage through CSS coding. If this is not feasible, I may have to advise them to resort to JS scripting, albeit less secure.

(The end users are ML researchers. They are proficient in CSS and JS coding.)

htmlcss

Answer №1

Feel the power within you:

.test {
    display: inline-block;
    background-color: gray;
    width: attr(data-width px);
}

.test:after {
    content: attr(data-name);
}
<div class='test' data-name=" - CONTENT" data-width="200">teste</div>

although it may struggle in Chrome: https://developer.mozilla.org/en-US/docs/Web/CSS/attr

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