Use the green stroke color to render barrier=hedge

css/25_areas.css

@@ -23,6 +23,7 @@ path.stroke.old-multipolygon {
 
 /* Green things */
 path.stroke.tag-landuse,
+path.stroke.tag-barrier-hedge,
 path.stroke.tag-natural,
 path.stroke.tag-leisure-nature_reserve,
 path.stroke.tag-leisure-pitch,

css/50_misc.css

@@ -72,8 +72,10 @@ path.stroke.tag-natural-tree_row {
 
 
 /* barriers */
-path.stroke.tag-barrier {
+path.stroke.tag-barrier:not(.tag-barrier-hedge) {
     stroke: #ddd;
+}
+path.stroke.tag-barrier {
     stroke-width: 3px;
     stroke-linecap: round;
     stroke-dasharray: 15, 5, 1, 5;