Bold text. Italic text. Fixed case: text that must always remain in its given case (upper or lower), regardless of context. Fixed italic: text that must always be presented in italic, regardless of context. Fixed roman: text that must always be presented in roman (upright), regardless of context. Text that is to be typeset or otherwise rendered in small capitals. CSS3 styling wng:span A span of text identified for special formatting or other purposes. wng:sub Subscript text. Superscript text.