Are You a CSS Selector Pro?

An E element whose 'attr' attribute is equal to 'str'

An E element whose 'attr' attribute contains 'str' (correct)

An E element whose 'attr' attribute ends with 'str'

An E element whose 'attr' attribute begins with 'str'

An E element, last sibling of its type

An E element, first child of its parent

An E element, first sibling of its type

An E element, last child of its parent (correct)

An E element that has an F child

An E element that matches one of selectors s1,s2,..

An E element that does not match selectors s1,s2,..

An E element that has no children (correct)