Add a class as your "Trigger class". This will trigger the adding and removing of classes below.
Select one of the 'Trigger on' options. This is how your "Trigger class" will be activated.
Click on 'New pair' to create a new Element/Class pair. Establish your 'Target class'. This is the element that will have a class added to it. Establish the class you want to add or remove from the target.
'Copy Javascript Code' and paste it into 'before </body> tag' of your Weblfow site
Live examples & clonable: https://classadder-howto.webflow.io/
Video tutorial walkthroughs: Youtube playlist
Still have questions? Go to sweetjs.io