Before we start, remember that in a trifle the ingredients are in 'layers'. That is why they are mostly served in clear glass bowls. You can see how the ingredients are separated when you look in from the side.

Although CSS3 isn’t yet finalized, browsers have already implemented significant parts of it. We used some CSS3 features in our holiday card to enrich the experience for newer browsers; older browsers will ignore these CSS3 properties and degrade gracefully. (Many of these CSS3 properties need to be used in conjunction with vendor prefixes like -moz- and -webkit-, but in some of the examples below, we’ve omitted them for brevity.)