1. A method of rendering user interface elements of a presentation, the method comprising: receiving a plurality of user interface elements having a predetermined z-order, wherein the plurality of user interface elements comprises a first raised user interface element and a plurality of non-raised user interface elements; rendering each of the plurality of non-raised user interface elements at a display according to the predetermined z-order while skipping the first raised user interface element; rendering the first raised user interface element, after the non-raised user interface elements; and wherein the first raised user interface element is assigned to a first raisedcontainer element, a second raised user interface element is assigned to a second raisedcontainer element, and wherein either the first raisedcontainer element or the second raisedcontainer element is a raised, raisedcontainer element.