BundleTransformer.Csso (nuget): BundleTransformer.Csso contains one minifier-adapter for minification of CSS code - `KryzhanovskyCssMinifier`. `KryzhanovskyCssMinifier` is based on the Sergey Kryzhanovsky's CSSO (https://github.com/css/csso) version 3.2.0.  As a JS engine is used the JavaScript Engine Switcher library (https://github.com/Taritsyn/JavaScriptEngineSwitcher). For correct working of this module, you need to install one of the following NuGet packages: JavaScriptEngineSwitcher.Msie (only in the Chakra JsRT modes), JavaScriptEngineSwitcher.V8 or JavaScriptEngineSwitcher.ChakraCore.
Keywords: BundleTransformer|System.Web.Optimization|IBundleTransform|ASP.NET|CSS|Bundling|Minification|Minifier|Minify|Optimizer|Sergey|Kryzhanovsky|CSSO