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.
Tmatrix manipulates matrices to transform Web page elements. It can create a matrix which defines transformation parameters to apply to a page element and recalculates the matrix values by applying different transformation operations like scaling, rotating, and skewing. The object can also apply absolute or relative transformations to specific elements like canvas, and return transformation values to use in CSS definitions.