gistfile1.txt

/** cluster visualization */

#untitled_table_1{
  marker-file: url(https://s3.amazonaws.com/com.cartodb.users-assets.production/production/elcasc/assets/20140801095440Icon1.png);
  marker-fill-opacity: 0.9;
  marker-line-color: #FFF;
  marker-line-width: 2.5;
  marker-line-opacity: 1;
  marker-placement: point;
  marker-type: ellipse;
  marker-width: 20;
  marker-allow-overlap: true;

  [src = 'bucketB'] {
    marker-line-width: 5;
    marker-width: 40;
  } 

  [src = 'bucketA'] {
    marker-line-width: 5;
    marker-width: 64;
  } 
}

#untitled_table_1::labels { 
  text-size: 0; 
  text-fill: #000000; 
  text-opacity: 0.8;
  text-name: [points_count]; 
  text-face-name: 'DejaVu Sans Bold'; 
  text-halo-fill: #FFFFFF; 
  text-halo-radius: 0; 
  text-dy: -24;

  [src = 'bucketB'] {
    text-size: 12;
    text-halo-radius: 0.5;
  }

  [src = 'bucketA'] {
    text-size: 17;
    text-halo-radius: 0.5;
  }

  text-allow-overlap: true;

  [zoom>11]{ text-size: 16; }
  [points_count = 1]{ text-size: 0; }
}