ASP.Net MVC: Add (Apply) CSS Class (Styles) in Html.ValidationMessageFor method

Here Mudassar Ahmed Khan has explained with an example, how to add (apply) CSS Class (Styles) in Html.ValidationMessageFor Helper method in ASP.Net MVC Razor. The Html.ValidationMessageFor Helper method has a parameter named htmlAttributes which is used for adding (applying) CSS Class (Styles) to the displayed validation message.