"Special formatting" refers to a specific design or arrangement applied to text or documents that makes them visually appealing or organized in a unique way. Full definition
Because e-books give readers the ability to change font size, etc., I would not recommend doing the entire first line in special formatting. (madgeniusclub.com)
Special format for representation of electronic versions of books. (e-ink-reader.ru)
Our eBook conversion service for nonfiction books is for books that have special formatting needs, such as block quotes, tables, images lists, etc.. (self-pub.net)