How to add or edit a custom class on a Page
Step 1
Login to the CMS.
Step 2
In the tree menu on the left-hand side, go to any page (or add a new page).
Step 3
Go to the 'Advanced tab.
Step 4
At the label 'Custom page classes', enter your custom class (or classes — be sure to leave a space between each class).
Step 5
Hit 'Save and publish'.
#h5yr