Markup: templates/output/04-elements/videos/vimeo.html
<figure class="video">
<div class="video-embed">
<iframe class="video-embed-item" src="https://player.vimeo.com/video/367599716?title=0&amp;byline=0&amp;portrait=0" allowfullscreen="allowfullscreen" width="1200" height="675" title="" allow="fullscreen"></iframe>
</div>
</figure>
Source:
assets/sass/04-elements/_elements.videos.scss
, line 41