anchor.diff:                    })
   
     minuteFace = d3.svg.arc()
  -                   .outerRadius(sizestep * 2)
  -                   .innerRadius(sizestep * 1 + margin)
  +                   .outerRadius(bigRadius)
  +                   .innerRadius(bigRadius - thickness)
  +                   .cornerRadius(cornerRadius)
                      .startAngle(function(d) {
                        return (pi * 2) + scaleMins(d.numeric) - (handspan + margin / 100)
                      })
  
positive.code:                    })
  
    hourHand = d3.svg.arc()
                 .outerRadius(sizestep * 1)
                 .innerRadius(sizestep * 0 + margin)
                 .startAngle(function(d) {
                   return scaleHours(d.numeric % 12) - handspan
                 })
  
negative.code:             .attr('id', function(d) {
                return d.unit + '-face'
              })
              .attr('opacity', 0.7)
  }
  
  //setInterval(function() {
  