indicator notch shifts 1px at end of css-opacity transtion

[jedierikb]

It is an occasional glitch on chrome

Details for fix here:
http://stackoverflow.com/questions/14729492/css3-transform-rotate-causing-1px-shift-in-chrome

Was able to fix by prevent by adding:

.tlite {
  ...
  -webkit-backface-visibility: hidden;
}

[chrisdavies]

Hey, cool. I updated the CSS accordingly. We've been using tlite in production for quite a while, and haven't found any of the issues you've found! Thanks for vetting it so thoroughly.