<style> .embed-container {

position: relative;
padding-bottom: 56.25%;
height: 0;
overflow: hidden;
max-width: 100%;

} .embed-container iframe, .embed-container object, .embed-container embed {

position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;

} </style> <div class='embed-container'>

<iframe title="YouTube video player"
        width="640" height="390"
        src="https://www.youtube-nocookie.com/embed/{{ include.v }}"
        frameborder="0" allow="encrypted-media" allowfullscreen>
</iframe>

</div>