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.
Decoration is an image decorator. It applies effects to your photoset. It has an extensive set of effects (more than 100) including color border, gradient border, round corners, drop shadow, mirror, blur, reduce noise, tint, mosaic, superpose text, rotate, zoom, crop, button, brightness, contrast, gamma, glow, bend, sharpen, change transparency, kaleidoscope, oil, emboss, bump, and edge. You can also use it to generate buttons. Images can be located on your hard disk, on a Web site, or in the clipboard, or your can create an empty one. Examples are included in the software.