Make border-radius a variable
Timeline z-index above viewframe
Implement tooltip styles & template

Include sample functionality for a tooltip within an .instance
Make viewframe bg-image gradient consistent for all browsers
ctrlpane z-index above viewframe

Allows dropdowns to display over the viewframe area
Implement drop-down styles

Include sample usage with main ctrlpane menu
Remove blur from first tooltip shadow

It functions as a border, thus needs to be sharp