Light source is an object which can apply a shadow to page elements based on the position of a light. It takes the identifier of a page element and changes its CSS atttributes which define shadow parameters depending on the position of a light source relative to the target element and its children elements. The shadow can be generated either with the shape of the text elements or the whole box of the target element.
Page Transitions shows transitions when a user leaves a Web page. It can produce an animation effect, so when the user leaves the current page to another, the effect is applied to make the page disappear and the new page appear. The object can compose an animation defined programatically or execute one of many types of pre-defined page transition effects like fading, panning, shrinking, rotating, skewing, etc.