It is recommended that you type directly into the rich text editor; then use the functions in the text editor to add style and formatting. Creating the text elsewhere and attempting to copy / paste it into the text editor will bring in a lot of unnecessary HTML code and formatting, which will also introduce inaccessible content.
<h3>in HTML) and follow by Heading 4 in the rich text editor.
<em>tags in HTML) to indicate emphasis. Use these tags sparingly.
<i>tags as they denote style rather than importance.
Use headings as indicators for sections and sub-sections in your guide. This not only provides hierarchical organization and formatting, but also makes it easy for screen readers to scan and jump to different content areas.
<h1>tag in HTML) in your guide as this should only be used once for the entire page.
<h3>tag in HTML) and then Heading 4 in rich text editor.