nz-popden.mss

@line: #226688;
@shade0: #FFFFFF;
@shade1: #FFFFE5;
@shade2: #FFF7BC;
@shade3: #FEE391;
@shade4: #FEC44F;
@shade5: #FE9929;
@shade6: #EC7014;
@shade7: #CC4C02;
@shade8: #993404;
@shade9: #662506;

Map {
  background-color: #b8dee6;
}

/* Coastlines */
#nz-area-units::land-glow-inner[zoom>=0] { 
  line-color: @line;
  line-opacity: 0.8;
  line-join: round;
  [zoom=0] { line-width:0.8; }
  [zoom=1] { line-width:1.2; }
  [zoom=2] { line-width:1.5; }
  [zoom>2] { line-width:2; }
}

#nz-area-units::land-glow-outer[zoom>1] { 
  line-color: @line;
  line-width: 3;
  line-opacity: 0.1;
  line-join:round;
}

#nz-area-units {
  line-color: @shade0;
  line-width: 0; 	 
  polygon-fill: @shade0;
  polygon-opacity:1;
  [popdens >  0][popdens < 1]      { polygon-fill: @shade1; }
  [popdens >= 1][popdens < 5]      { polygon-fill: @shade2; }
  [popdens >= 5][popdens < 10]     { polygon-fill: @shade3; }
  [popdens >= 10][popdens < 50]    { polygon-fill: @shade4; }
  [popdens >= 50][popdens < 100]   { polygon-fill: @shade5; }
  [popdens >= 100][popdens < 250]  { polygon-fill: @shade6; }  
  [popdens >= 250][popdens < 500]  { polygon-fill: @shade7; }  
  [popdens >= 500][popdens < 1000] { polygon-fill: @shade8; }     
  [popdens > 1000]                 { polygon-fill: @shade9; }      
  [zoom > 10] { line-width: 1; }  
}