Perfect responsive images: HTML5 <picture> and Bootstrap 4
Bootstrap 4 is in alpha release and has a brand new set of media queries and breakpoints. Where Bootstrap 3 had them in pixels, the new release of the popular responsive framework boasts breakpoints in ems. Let's harness the power of these new media queries to serve an image of the right size based on the device a user views our site on. We're going to save a lot of bandwidth for the small devices...






