All the close button does is appear when you hover over the annotation itself. It disappears when your mouse leaves the main body of the annotation but not the button's body, making it tough to click, but not like that matters as you can't click on it at all, even when it's showing.
All the close button does is appear when you hover over the annotation itself. It disappears when your mouse leaves the main body of the annotation but not the button's body, making it tough to click, but not like that matters as you can't click on it at all, even when it's showing.