CSS to defend against dropdown going off the screen

[joshreisner]

for code4recovery/12-step-meeting-list#1365

#tsml-ui button { white-space: normal; }

also not sure if right; 0 on last control makes sense - or maybe it should be desktop only

[RockfaceIT]

Thanks Josh. I will try this out in a bit.

[joshreisner]

this fix rolled out with #363