Conversation so far:
Where was Georgette Heyer born?
Georgette Heyer was born in Wimbledon, London.
Did Georgette Heyer show interest in writing at an early age?
When she was 17, Georgette Heyer began a serial story to amuse her brother Boris.
What was Georgette Heyer's story about that she wrote when she was 17?
The Black Moth was about the adventures of a young man who took responsibility for his brother's card-cheating, was released in 1921.
Did Georgette Heyer achieve success at an early age?
The Black Moth was Heyer's debut novel, published when Heyer was nineteen. It was a commercial success.
Was These Old Shades a continuation of the serial story Georgette Heyer wrote for her brother?
These Old Shades (1926) was originally intended to be a sequel to The Black Moth, which would redeem the devilish Belmanoir, but Heyer thought better of it.
Did Georgette Heyer become a full time writer after the publication of this book?
Georgette Heyer continued writing until her death in July 1974.
Was Georgette Heyer's family supportive of her career?
Georgette Heyer's father was supportive and was the one to encourage her to publish her first book.
Are there any other interesting aspects about Georgette Heyer besides the publication of her novel, The Black Moth?
According to her biographer Jane Aiken Hodge, Heyers first novel, The Black Moth contained many of the elements that would become standard for her novels.

Question: what were these elements?
Self-contained rewrite: What were these elements that Georgette Heyer's novel, The Black Moth contained?