One embodiment involves receiving, by a web page authoring tool, presentation information in a markup language corresponding to a static graphical object. In this embodiment, the web page authoring tool receives animation information in a data interchange format corresponding to an adjustment for the static graphical object. In this embodiment, the web page authoring tool receives a runtime engine. In this embodiment, the web page authoring tool stores the presentation information, the animation information, and the runtime engine within a web page. The runtime engine may be configured to cause a web browser displaying the web page to render an animation. The animation can be based at least in part on the presentation information and the animation information.