Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus sagittis lectus vel turpis tincidunt, id maximus diam pharetra. Fusce feugiat libero et erat imperdiet, ut suscipit neque vulputate. Phasellus fringilla metus auctor velit tempus gravida. Aliquam eget enim at massa pulvinar condimentum. Donec vitae iaculis turpis, eu tempor mi. Integer vitae lectus convallis, ornare quam quis, fermentum nunc. Sed dictum, nibh sed dapibus interdum, leo ex imperdiet dui, eu ultrices massa augue in felis. Aliquam fringilla consequat risus quis lobortis.
The picture tag above tells the browser that if the viewport is 1280 pixels wide or larger, use the large version of the image. If it is wider than 960 pixels (but smaller than 1280, such as on a tablet), use the 960px version. Finally, for viewports that are smaller than 960 pixels and therefore don't match any of the media queries in the previous source elements, the 480px version should be used. The small version, as specified in the img element, will be used for browsers that do not recognize picture and source.
This summer, try making pizza on your grill.