What is an example of CSS in HTML?

Here’s a super simple HTML example: Now here is a short, simple example of CSS using an external file (we’ll call it ‘stylish.css’). We’re going to tell our web page to be white and to make our h1 heading, noted in our simple HTML example as ‘John Adams’, appear in red at 24 units high: just create an account. No obligation, cancel anytime.
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