First, use the word "Happy Birthday" in the official script collection:
The picture above shows the word "Sheng" in official script, which is taken from the Fahan tablet. Very nice!
The above picture shows the word "day" in the official script, which is also taken from the inscription on the Fahan tablet. It looks good!
The picture above shows the word "Kuai" in official script. Take the official script of Emperor Xuanzong of the Tang Dynasty for example. This word is very distinctive.
The picture above shows the word "Le" in official script, which is taken from the Fahan tablet and used in traditional Chinese characters.
Second, use the words "Happy Birthday" in the running script.
The picture above shows different ways to write the word "sheng" in running script. Every word is vivid and charming.
The picture above shows the running script "Japanese", in which the Japanese characters written by Wang Xizhi are ancient and changeable, high quality and high technology, elegant and attractive!
The picture above shows the word "Kuai" in the running script, all written by famous writers.
The above picture shows the writing of the word "le" in the running script, all of which are very nice!