Embeds

Create responsive video or slideshow embeds based on the width of the parent by creating an intrinsic ratio that scales on any device.

About

Rules are directly applied to <iframe>, <embed>, <video>, and <object> elements; optionally use an explicit descendant class .embed-responsive-item_sth when you want to match the styling for other attributes.

Pro-Tip! You don’t need to include frameborder="0" in your <iframe>s as we override that for you.

Example

Wrap any embed like an <iframe> in a parent element with .embed-responsive_sth and an aspect ratio. The .embed-responsive-item_sth isn’t strictly required, but we encourage it.

<div class="embed-responsive_sth embed-responsive-16by9_sth">
  <iframe class="embed-responsive-item_sth" src="https://www.youtube.com/embed/zpOULjyy-n8?rel=0" allowfullscreen></iframe>
</div>

Aspect ratios

Aspect ratios can be customized with modifier classes.

<!-- 21:9 aspect ratio -->
<div class="embed-responsive_sth embed-responsive-21by9_sth">
  <iframe class="embed-responsive-item_sth" src="..."></iframe>
</div>

<!-- 16:9 aspect ratio -->
<div class="embed-responsive_sth embed-responsive-16by9_sth">
  <iframe class="embed-responsive-item_sth" src="..."></iframe>
</div>

<!-- 4:3 aspect ratio -->
<div class="embed-responsive_sth embed-responsive-4by3_sth">
  <iframe class="embed-responsive-item_sth" src="..."></iframe>
</div>

<!-- 1:1 aspect ratio -->
<div class="embed-responsive_sth embed-responsive-1by1_sth">
  <iframe class="embed-responsive-item_sth" src="..."></iframe>
</div>