YouTube iFrame Full Width of Page Keep Aspect Ratio

A Short tutorial on how to make your youtube video preserve the height and keep aspect ratio.

A Short tutorial on how to make your youtube video preserve the height and keep aspect ratio. 

HTML

 

<div class="videoWrapper">
    <!-- Copy & Pasted from YouTube -->
    <iframe width="560" height="349" src="http://www.youtube.com/embed/n_dZNLr2cME?rel=0&hd=1" frameborder="0" allowfullscreen></iframe>
</div>

 

CSS

.videoWrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    padding-top: 25px;
    height: 0;
}
.videoWrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

Source: https://stackoverflow.com/questions/38270661/displaying-a-youtube-video-with-iframe-full-width-of-page