back
name: Back
type: back-button
class: button-toolbar-1
element: button

forward
name: Forward
type: forward-button
class: button-toolbar-1
element: button

reload
name: Reload
type: reload-button
class: button-toolbar-1
element: button

stop
name: Stop
type: stop-button
class: button-toolbar-1
element: button

urlbar
name: Location Field
type: location-field
class: location-field
element: box

throbber
name: Throbber
type: throbber-button

home
name: Home
type: home-button
class: button-toolbar bookmarkitem