Indeterminate Radio Buttons

There is a pseudo class selector, :indeterminate, whose job it can be to select radio button inputs which are neither selected (have attribute “checked”) or unselected (don’t have that). This is a CSS3 selector, which may be in response to the HTML5 spec, which explicitly allows radio buttons to be in this state: If none of [...] http://tinyurl.com/ydt5e8l