Log in as admin Navigate to the site calendar Add an event Reload page On the right hand side of the calendar the calendar block should be visible Scroll down the page until your added event is visible in this block Hover over the event date A popup should above the date, the arrow should be attached to the bottom of the popup Now scroll the page up just until the date is below the navbar Hover over the event date again A popup should show below the data, the arrow should be attached to the top of the popup