While shopping on one of my favorite websites I noticed some of the buttons and menus were in the wrong place and didn’t work or were non-existent. After talking with a customer service rep, he determined it was the browser. He was right! When I went back to my old browser it displayed everything correctly.
You can adjust your per site shield settings for that site via Brave icon at URL bar. https://support.brave.com/hc/en-us/categories/360001053072-Shields