Can CSS's `content` Property Insert HTML, or Only Text?

Can CSS content property insert HTML instead of Text?

In the realm of CSS styling, the content property offers a means to embed text content into elements via pseudo-elements like :before and :after. Naturally, a question arises: can this property extend its capabilities to include the insertion of HTML code rather than just plain text?

Technical Limitations:

However, such an endeavor is met with technical limitations. As per the CSS specification:

"Generated content does not alter the document tree. In particular, it is not fed back to the document language processor (e.g., for reparsing)."

In essence, string values assigned to the content property are treated verbatim, without any interpretation as markup. This limitation applies regardless of the document language being used.

Example:

Consider the following CSS rule and HTML structure:

CSS:

.header:before {
  content: '<a href="#top">Back</a>';
}

HTML:

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