i have a problem with my visual studio that is teasing me!
when i change my css version to 2.1, i work well but after some minutes it change back to 1.0.0 version automatically so so many properties of css do not work on my pages!
as well often i set my css version to 2.1 but just on my css file properties work and on my pages when i am using inline style sheet dnt work (on my .aspx pages the css version is 1.0.0 but i want it become 2.1)
what is problem? :s anyone can help me?
another thing is that i want update my visual studio to use HTML5 or CSS3 but i dont know how can i do it ! please say me how can i use css3 or HTML5 on my VS when highest Version of CSS is 2.1 and HTML is 4.1 in my VS ...!