t
      var y = (Math.random() - 0.5) * jitterAmount
      x = ~~ x
      y = ~~ y
      var keyframe = '-webkit-transform: translate(' + x + 'px,' + y +'px); '
      keyframe += 'transform: translate(' + x + 'px,' + y + 'px);'
      introKeyFrames += pct + ' { ' + keyframe + ' } '
      for(var j = 0; j < numTurntAnimations; j++) {
        var x = (Math.random() - 0.5) * jitterAmount
        var y = (Math.random() - 0.5) * jitterAmount
        x = ~~ x
        y = ~~ y
        var rotationAmount = i / numK