Convert some element ids to classes to avoid collisions when embedding iD

css/20_map.css

@@ -38,7 +38,7 @@
     pointer-events: none;
 }
 
-.lasso #map {
+.lasso .main-map {
     pointer-events: visibleStroke;
 }
 
@@ -430,4 +430,4 @@ g.vertex.highlighted .shadow {
 .highlight-edited path.line.shadow.geometry-edited,
 .highlight-edited path.area.shadow.geometry-edited {
     stroke: rgb(255, 126, 46);
-}
+}