css styling to make sure still image is above video
attempt to stop key event propagation

Keystrokes in map like alt-T should be consumed in
application and not passed back as events to browser.
dimply still image whenever entering a waltz
add numbers for still images

numbers added for all still images

position for numbers customized for 1..22

default position for 23..47

In reference stills there were no numbers on images
23..47.