Map:Map-2.5.2/structure

{

   "layers": [
       {
           "id": "borders",
           "kind": "border",
           "label": "",
           "file": "4_ethnolinguistic-bukovina/borders.geojson"
       },
       {
           "id": "boundary",
           "kind": "boundary",
           "label": "",
           "file": "4_ethnolinguistic-bukovina/boundary.geojson"
       },
       {
           "id": "communities",
           "kind": "point",
           "label": "Community",
           "file": "4_ethnolinguistic-bukovina/communities.geojson"
       }
   ],
   "legend": [
       {
           "kind": "line",
           "swatch": "#331010",
           "border": "",
           "layer": "borders",
           "data": "",
           "label": "borders of Bukovina (districts)"
       },
       {
           "kind": "linedashed",
           "swatch": "#e60000",
           "border": "",
           "layer": "boundary",
           "data": "",
           "label": "approximate Ruthenian/Ukrainian – Romanian ethnolinguistic boundary"
       },
       {
           "kind": "heading",
           "swatch": "",
           "border": "",
           "layer": "",
           "data": "",
           "label": "Percentage of Jews"
       },
       {
           "kind": "dot",
           "swatch": "#a000e0",
           "border": "",
           "layer": "communities",
           "data": "#a000e0",
           "label": "more than 50 %"
       },
       {
           "kind": "dot",
           "swatch": "#50f000",
           "border": "",
           "layer": "communities",
           "data": "#50f000",
           "label": "25–49 %"
       }
   ]

}