/*
#accesspoly {
  polygon-opacity:.55;
  line-width:0;
  [pct_laccess_pop10<=10]{ polygon-fill:lighten(#707,60); }
  [pct_laccess_pop10>10] { polygon-fill:lighten(#707,45); }
  [pct_laccess_pop10>20] { polygon-fill:lighten(#707,30); }
  [pct_laccess_pop10>30] { polygon-fill:lighten(#707,15); }
  [pct_laccess_pop10>40] { polygon-fill:lighten(#707,0); }
}*/