Web 2.0 - Online Website Editing Tool

CSSFly ( http://cssfly.net/ ) is positioned as a web 2.0 tool for the convenience of editing online sites. Designed for developers - when you change the selectors and CSS identifiers on the page immediately visible result.
However, the preservation of the results is not provided.
The link http://www.cssfly.net/l/habrahabr.ru can be “edited” by Habrahabr)).