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ASP.NET MVC built it minification does not support all CSS features

Recently I stumbled upon a problem that a CSS file was not minified on production in my ASP.NET MVC 5 web application. Moreover the error saying “Minification failed. Returning unminified contents.” was added to the CSS content. It turned out that it’s an old, known issue and in this post I will show you how I fixed it.

By Mirek on 1/8/2020 (tags: ASP.NET, Bundling, css, Minification, categories: architecture, code, web)

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