You can get the HTML code under the "Online Booking" page, there is a green "Share" button against the booking form:
You will then be lead to a different page which shows the HTML code you can use to embed on your website:
Here are more details on how to embed the form to your website:
If you want us to handle the embedding for you, just share your login details and send the details to firstname.lastname@example.org, and we'll get it done within 1 business day:
Where would you like the form to be embedded? Please provide as much detail as possible.