Erratum – new, modern and unique template for your business, agency, corporate and startup firm. It has all features to create a super fast responsive site error pages with amazing UI and UX experience. 9 layouts options and modern design based skins allow you to create your own niche agency error pages. You can avoid expensive web development and minimize your design costs using Erratum HTML error page template.

Demo: https://themeforest.net/item/erratum-404-error-pages/28760417