If I understand you correctly you want to load all resources for your site from your server, while currently the Telerik StyleSheetManager's CDN is enabled: http://www.telerik.com/help/aspnet-ajax/stylesheetmanager-cdn-support.html
. If you have not set this property in your markup then you have most ilkely selected it in the website configurator when you were creating the project and it is located in the web.config:
. . . . .
. . . . . .
Setting it do Disabled
will load the stylesheets from your server via webresources.
the Telerik team
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