Can Inline CSS Style Pseudo-elements Like :before and :after?

Using CSS :before and :after with Inline CSS

Question:

While working with HTML email signatures that utilize inline CSS, it becomes necessary to determine if using the :before and :after pseudo-elements is a viable option. How can we achieve something similar to the following example using inline CSS?

Example:

td { 
    text-align: justify;
}
td::after { 
    content: "";
    display: inline-block;
    width: 100%;
}

Answer:

Utilizing inline CSS to style pseudo-elements is not possible due to their inherent characteristics. Pseudo-elements and pseudo-classes represent abstract concepts in CSS that extend the functionality of HTML. Inline styles, however, are defined within HTML and solely affect the element they are attached to. Therefore, inline styles cannot be applied to pseudo-elements as they are not a part of the HTML structure.

It's important to note that inheritance applies when using pseudo-elements. Properties inherited by default will be accessible to :before and :after from the generating element. In contrast, pseudo-class styles remain unaffected. For instance, if you define text-align: justify using an inline style attribute for a table data (td) element, it will be inherited by td:after. However, declaring td:after with an inline style attribute is not possible and must be done within the CSS stylesheet.

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