H1 – Page Header (default alignment). This heading should be used only once on each page.
H2 – Topic heading (default alignment). Each topic is identified by a topic heading. This heading can appear multiple times on a page.
H3 – 3rd order heading (default alignment). If another sub-item is added to a topic, this can be provided with a sub-heading.
H4 – 4th order heading (alignment standard)
H5 – Heading 5th Order (Alignment Default)
H6 – Heading 6th Order (Alignment Default)