Note the 3 pane layout vs Chrome's 2 pane. I can see more at a glance and more effective use of the monitor - plus I can see the Box Model (or Flex model) with

Note the 3 pane layout vs Chrome's 2 pane. I can see more at a glance and more effective use of the monitor - plus I can see the Box Model (or Flex model) without having to scroll down. https://i.imgur.com/Ts3Ygk5.png https://i.imgur.com/Ts3Ygk5.png And yes, referring to the event bubble next to the element.