I've searched all around but haven't come across with anybody else getting this warning. I'm using Visual Studio 2013 Professional. I've got a class called
When using "btn-normal", you must also specify the class "btn".
I finally found it. After googling around for
btn- I realized that bootstrap button classes are prefixed the same way. (Look here for bootstrap buttons. )And I have Web essentials in my Visual Studio and it by default validates any html against Bootstrap naming conventions.(At least this is what I assume is the case.) After turning this option off and restarting the IDE I got rid of the warning. To turn it off go to Tools->Options->WebEssentials->HTML. Under Misc set
Enable Bootstrap validation to
False. Do not forget to restart the IDE.