extended

problem with extended_valid_elements and custom elements in tinymce

I have used extended_valid_elements : "info,second,tittle,defalut", custom_elements: "info,second,tittle,defalut", for adding new tags to tinymce editor.The contents in tinymce editor is something like <tittle>contents here </tittle>.i can save the content as it is in both browser.when i am adding external css for editor due to custo...