I found these tips to embedding Jupyter Notebooks hosted on Github from these great posts.
Master Post: https://www.andrewchallis.co.uk/portfolio/php-nbconvert-a-wordpress-plugin-for-jupyter-notebooks/
Supporting post: https://www.eg.bucknell.edu/~brk009/notebook-on-wp/
- WP Pusher install
- Install the Github plugin to WP Pusher
- Add the additional CSS code
- Insert the Shortcode like the one below.