You can track your bonus by navigating to ‘My Account’>’My Casino Account’ once logged in and on the Casino section of the website.  You will be directed to the default ‘Summary’ page.  You then need to click on Bonuses. This will give you all of the information you require about your active bonus:

Alternatively, you can log in and go to the promotions page  and locate the active bonus (as shown below).  Here you will see the percentage of progress on your bonus, as well as its expiry date:

The same process applies if you are on a mobile device.