#### spatnav container 1(Document) > spatnav container 2 > spatnav container 3

            focusable.addEventListener('focus', function(e) {
              let spatnavContainer = e.target.getSpatialNavigationContainer();
              spatnavContainer.style.background = '#F0808099';
              spatnavContainer.style.outline = '5px red solid';
              console.log(spatnavContainer);
            });