ThemeForest - Modern animated 404 page | 105 KB
Beautiful 404 Error Page with modern animated background and beautiful graphics. It is easy to use for developers. Everything is commented and written according to best coding practices.
DEMO:
http://themeforest.net/item/modern-animated-404-page/3950229?WT.ac=search_thumb&WT.seg_1=search_thumb&WT.z_author=bojkar