Highlight the Button

There is a button with the id cta. Add the CSS class active to it so the page's stylesheet can highlight it. Do not remove any existing content.

Platform-Provided HTML (READ-ONLY):
``html
<button id="cta">Buy Now</button>
``

Expected Output:

<button id="cta" class="active">Buy Now</button>

= newline. No newline after the last line.

Hints2 available

Topics:

HTML DOM

Code Editor

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Your Output

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Test Cases

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