contours

@contour:           #4a2c20;
@contour-width: 0.8;

#contours_20 {
  /* 100M */
 [one_hundred = true][ele != 0]{
    [zoom=13]{
         line-color:  @contour;
      	 line-width:0.15;
         opacity:0.5;
     }
  }
  [one_hundred != true][fifty = true][ele != 0]{
    [zoom=13]{
         line-color:  @contour;
      	 line-width:0.15;
         opacity:0.5;
      	}
     }
  [one_hundred != true][fifty != true][ele != 0]{
     [zoom=13]{
         line-color:  @contour;
      	 line-width:0.15;
         opacity:0.5;
      }
  }
}
    
#contours {
  /* 100M */
 [one_hundred = true][ele != 0]{
    [zoom=14] {
      line-width:0.3;
      line-color:   #555555;
      opacity:0.8;
    }
	[zoom>=15]{
     	line-width:0.7;
      	line-color:  #a5a5a5;
     	line-smooth:0.5;
      	opacity:0.8;
    }  
  }
  
  /* 50M */
  [one_hundred != true][fifty = true][ele != 0]{
	[zoom=14] {
      line-width:0.2;
      line-color:   #555555;
      opacity:0.8;
    }
    [zoom>=15]{
          line-width:0.5;
          line-color: #a5a5a5;
          line-smooth:0.5;
          opacity:0.8;
      }  
   }
   /* 10M */
   [one_hundred != true][fifty != true][ele != 0]{
    	[zoom=14] {
          line-width:0.2;
          line-color: #555555;
          opacity:0.8;
        }
		[zoom>=15]{
          line-width:0.2;
          line-color:  #555555;
          line-smooth:0.5;
          opacity:0.8;
    
    }  
  }
}