Picturefill Examples
The < picture > element is nearly here. But what can you take advantage of today, and how can you go about supporting future-legacy-browsers...
As the dimensions of a particular image are shrunk down, the main focus of the image may be de-emphasised, and as such we could consider cropping the image to improve it's framing.
The simple and natural act of rotating a mobile device in your hands, leads to a completely different layout to play with, so it's a prime opportunity to adapt your image content accordingly