19. The non-transitory computer-readable medium of claim 16 , with further instructions stored thereon, which when executed by the at least one processor cause the computing device to: receive selection input into a user interface of the page description language document application selecting an alternate presentation overlay; apply the alternate presentation overlay to the instantiated first packaged file presentation shell, the alternate presentation overlay including one or more standardized graphical elements, which when applied to the first packaged file presentation shell, overrides respective standardized graphical element properties; and wherein the applying the alternate presentation overlay to the instantiated first packaged file presentation shell modifies a visible presentation of the page description language document without modifying stored data of the page description language document.
16. A non-transitory computer-readable medium, with instructions stored thereon, which when executed by at least one processor cause a computing device to: instantiate a first packaged file presentation shell of a page description language document within a page description language document application, the first packaged file presentation shell including standardized graphical elements including one or more packaged file presentation nodes, each standardized graphical element including properties; apply a presentation overlay to the instantiated first packaged file presentation shell, the presentation overlay including at least one standardized graphical element, which, when applied to the first packaged file presentation shell, overrides respective standardized graphical element properties including respective packaged file presentation nodes that each represent a packaged file within the page description language document; and present, via the page description language document application, a view of at least a portion of the page description language document according to (1) metadata associating each packaged file with the respective packaged file presentation node of the first packaged file presentation shell, and (2) the first packaged file presentation shell as modified by the presentation overlay, wherein the presentation overlay modifies only the first packaged file presentation shell when the at least the portion of the page description language document is presented.