§ 1. CSS Styles used in this model

The various Cascading Style Sheet (CSS) styles used in this document are also used for online documentation. Therefore, the styles will be described for Book and Whitepaper format, Web Page format, and Zendesk Article format.

§ 1.1 Styles

1.1.1 Headings will be used in a cascading manner according to the level appropriate for the documentation and the media being presented.

1.1.2 Refrain from skipping heading levels – always use the next level in line.

1.1.3 H1 will only be used once per document.

1.1.3.a Refrain from using H1 in Whitepapers.

The styles associated with this standard are as follows:

Style	Definition	Book	Whitepaper	Web Page	Zendesk Article
H1	Hero Title	Chapter Title	Not Used	Page Title	Section Title
H2	Main Heading	Main Topic
H3	Sub Heading	Major Topic
H4	Sub Heading	Sub Topic or Major Example
H5	Sub Heading	Minor Example
H6	Sub Heading	Not Used

Colors

1.1.4 All text will be colored black except for H1, H2, and H3 style text.1

1.1.4.a H1 and H3 text may be colored according to each organization’s primary color.

1.1.4.b H2 text may be colored according to each organization’s highlight color.

Fonts

1.1.5 The font family used is the OpenSans family of fonts.