Copy paste this code on your website

<iframe frameborder="0" width="240" height="503" style="width:240px;height:503px;" allowtransparency="true" scrolling="no" src="https://www.alsace.okote.fr/decouvrez-les-projets/iframe/la-grenze-terrasse-culturelle-et-salle-de-concerts"></iframe>

Preview