How to design the bookmark serial number in ppt

How to design the bookmark serial number in ppt? Bookmark arrangement design principles: To design well, you must first ensure that the slogan is concise, the layout is reasonable, the content is generous, the fonts are eye-catching, and the pictures are prominent. Bookmark layout design principles: 1. Bookmark layout should not exceed 8 lines, and the longest should not exceed 10 lines. 2. The smallest text should not exceed 5 font sizes. 3. The largest text should not exceed 5 lines. 4. The smallest text should not exceed two lines. 5. Do not use more than two font sizes on the same page. 6. Punctuation marks should be consistent with the text. 7. Other punctuation marks can be consistent with the sign change line. 8. The fonts, colors and writing fonts of punctuation marks should avoid using printed fonts and should use errors that can avoid causing trouble in production. 9. The numerical values ??of punctuation marks should be appropriate.