ThemeRoller for Visual Studio makes designing beautiful themes for ASP.NET Web Forms Edition controls easy. ThemeRoller for Visual Studio can be used to apply application-wide themes to ASP.NET Web Forms Edition. When you add a ASP.NET Web Forms Edition control to your application, you can access the ThemeRoller for Visual Studio through the control's SmartTag. ThemeRoller opens inside Visual Studio and allows you to customize the theme without any knowledge of CSS or of the controls.