<div class="iframe-wrapper">
    <iframe class="iframe" src="https://www.youtube.com/embed/u25seL2lQMA" frameborder="0"
        allowfullscreen="allowfullscreen">
        <p>Nettleseren støtter ikke iframe</p>
    </iframe>
</div>

<br><br>

<h3 class="component-title">Iframe med static width</h3>
<!--Remove 'iframe' class at iframe tag if you want to customize width and height-->
<div class="iframe-wrapper">
    <iframe width="500" src="https://www.youtube.com/embed/u25seL2lQMA" frameborder="0"
        allowfullscreen="allowfullscreen">
        <p>Nettleseren støtter ikke iframe</p>
    </iframe>
</div>