Correct writing of red envelopes

1, the general format is that the couple writes in the upper left corner. If a blessing is written in the middle, you can write the name of the giver in the lower right corner, so the format is standardized and beautiful. Generally speaking, in ancient times, vertical writing was adopted. At present, most people are still used to writing horizontally, but they like calligraphy, and older elders prefer to write vertically. You can write the name of the bride and groom, or you can write it vertically in the lower left corner and horizontally in the lower right corner.