Changes

The ''':autofill''' pseudo-class is for when an input element is in the state of showing an autofilled value.  Use-case: to be able to override the default background color of autofilled input forms. For more details / screenshots of use-cases see:* [https://code.google.com/p/chromium/issues/detail?id=46543 Chromium issue 46543: Auto-filled input text box yellow background highlight cannot be turned off!]