Give 20 categories of dragon  tattoos in html h3 headings. For each category, give 60 to 100 words description, followed with 3 examples of further designs under this category which may be combinations with other motifs. Write them  in different lines but not in any of html tags or markdown or with bullets, You may incorporate styles or placements. Don’t repeat the same word at the beginning. Don’t include the word “motif” or “category”