How to get sticky add to cart mobile button in urna theme?

How to add sticky add to cart button as shown in your demo?

You do not need to configure anything, it is automatically fixed on mobile phones with screens smaller than 480px.

How to turn off it? sticky add to cart in mobile devices in product pages, cart page and checkout page. I dont want these sticky things.

Hi,

Please send the ticker here: https://tickets.thembay.com/

Our Support Team will help you.