CSS changes depeding on https://github.com/perl6/Pod-To-HTML/commit/2a7449325b3098bda2f31065dbea0ec87b589b26
CSS changes depeding on https://github.com/perl6/Pod-To-HTML/commit/2a7449325b3098bda2f31065dbea0ec87b589b26

this will fix
    - fixes duplicate anchors from X<> around/inside a =head
    - fixes missing links on toc entries for =head4 and higher

The layout has changed and may trigger a popular vote.

jonathanstowe/doc,gfldex/doc,dmaestro/doc,MasterDuke17/doc,perl6/doc,perl6/doc,stmuk/doc,MasterDuke17/doc,antquinonez/doc,antquinonez/doc,perl6/doc,gfldex/doc,MasterDuke17/doc,stmuk/doc,antquinonez/doc,jonathanstowe/doc,antquinonez/doc,stmuk/doc,stmuk/doc,dmaestro/doc,dmaestro/doc,perl6/doc,gfldex/doc,tbrowder/doc,jonathanstowe/doc,stmuk/doc,perl6/doc,tbrowder/doc,MasterDuke17/doc,dmaestro/doc,gfldex/doc,jonathanstowe/doc,antquinonez/doc,dmaestro/doc,tbrowder/doc,tbrowder/doc,gfldex/doc,jonathanstowe/doc