How to solve error for stylesheet file It shows It was not loaded because its MIME type.?

I getting error in loading .css file in my asp.net Web Application, I got error message like

Error: The stylesheet http://'<Website URL>'/css/default.css was not loaded because its MIM开发者_如何学运维E type, "text/html", is not "text/css".

How can I solved it.?

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If that doesn't solve it contact your web host, their server is kicking out the wrong mime type for the file extension