A container that fills the space under the site's header, and data-variant="page": no title bar, no border.

<main id="ask-addis" style="height: calc(100dvh - 76px)"></main>
<script src="https://ASK_ADDIS_HOST/widget.js" data-key="YOUR_KEY"
        data-target="#ask-addis" data-variant="page" async></script>

On this example site the answers are saved samples.