How to Make a YouTube (or Other iframe) Video Responsive

Sometimes adding videos to your website can cause it appear ugly. By adding a few lines of CSS to your style sheet and wrapping the iframe embed code in a little of HTML, you can make your video responsive.

Step 1: Add this section of code to your CSS file.

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px; height: 0; overflow: hidden;
}
 
.video-container iframe,
.video-container object,
.video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

Step 2:
Wrap the iframe code in

<div class="video-container"> </div>

Credit: Hubspot (Designers)