A.<a href="hello.html&bn">...</a> B.<a href="bnl#hellohtml">...</a> C.<a href="hello.html#bn">...</a> D.<a href="#bn">...</a>
A.all.h1 {background-color:#FFFFFF} B.h1 {background-color:#FFFFFF} C.h1.all {background-color:#FFFFFF} D.h1#all {background-color:#FFFFFF}