H1 in Article
BODY > MAIN > ARTICLE > HEADER > P.
BODY > MAIN > ARTICLE > P.
H1 in Main
BODY > MAIN > H1.
H1 in Section
BODY > MAIN > SECTION > HEADER > P.
BODY > MAIN > SECTION > P.
This is a test page with nav inside header.
BODY > MAIN > H1.
BODY > MAIN > SECTION > HEADER > P.
BODY > MAIN > SECTION > P.
BODY > MAIN > ARTICLE > HEADER > P.
BODY > MAIN > ARTICLE > P.