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html - Why can't I use a heading tag inside a p tag and style it with CSS?

Here is my code:

<html>
    <head>
        <style>
              div p h1 {
                  background-color: red;
              }
       </style>
    </head>
    <body>
        <div>
            <p><h1>hello2</h1></p> 
        </div>
    </body>
</html>
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by (71.8m points)

I think thats why:

The <p> tag can only contain inline elements. The header tags are block-level elements, and cannot go inside <p> tags even when you style them to display inline.


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