Developer Tools - online CSS changes on the server

Like sitting at work and looking at how the designer “picks” in the “guts” of our web project, I noticed that the designer “100 times” overloads the site in order to apply CSS. Yes, there is a FireBug , but it changes css "on the fly" and does not save changes to files. Sometimes this is not possible, since the site is located on a remote machine.
Looking at the torment, it was decided to do something similar to the FireBug, but very light. This is how the Developer Tools came about.
Key features:
* - Dynamically overload the CSS file (s).
* - change CSS files on the server .
* - select DOM elements, similar to FireBug.
* - parsing CSS files, building a hierarchy overlay CSS.



Unfortunately, this all works only under IIS + .NET 3.5
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To deploy this utility on the site:
1) Install the Developer.Tools.Service service.
2) Configure the path to the order or repository of css files in web.config, appSettings-> key = "ThemePath".
3) Allow the service to change the contents of the directories in which the CSS is stored.
4) Connect the jQuery and developer.tools.js script from the Scripts directory to the web page.

When loading the page, the utility will connect, if necessary, jQuery UI, as well as its CSS design.

The program is distributed under the license GPL 3.0.
Sources and installer .

PS IIS 6 is desirable, since under 5 hemorrhoids adjust the rights of the service.

Since the project is free, and everyone does not have enough time, I hardly managed to persuade the designer to at least bring this project to a tolerable view, so I will be happy with any help, criticism and suggestions for improvement.