This tool generates iframe code according to the html5 standards. As you can see, these styles mostly just remove the border around the iframe, but they also ensure that all browsers display that iframe with the same margins, padding, and dimensions.HTML5 recommends that you use the But don't despair, author Chris Mattia has found a great tool to convert your iFrame code into a responsive and mobile-friendly format that your students will love working with. Here is what a typical YouTube embed code looks like, with fixed width and height: The best trick for responsive iframes, for now, is making an aspect ratio box. The iframe is the child element inside it, which you apply absolute positioning to in order to fill the area. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. Make sure the Flipsnack iFrame was not inserted in another iFrame embed code. Example Here. Read full article Click Here. Tip: Use CSS to style the