Set multiply blending mode to campground map’s zones and trees

web/static/camper.css

@@ -619,3 +619,12 @@ textarea {
 #snackbar [role="alert"].open {
     translate: -50%;
 }
+
+
+#arbres {
+  mix-blend-mode: multiply;
+}
+
+#zones  {
+  mix-blend-mode: multiply;
+}

web/static/public.css

@@ -1135,6 +1135,13 @@ body > footer div, .campsite_type_features, .campsite_type_detail {
     border-top: 3px solid black;
 }
 
+/* highlight footer season */
+body > footer section:nth-child(3) {
+  background: var(--accent-2);
+}
+
+
+
 .campsite_type_detail {
     padding-bottom: 2.5rem;
 }
@@ -1218,6 +1225,10 @@ address {
   mix-blend-mode: multiply;
 }
 
+#zones  {
+  mix-blend-mode: multiply;
+}
+
 /* surrounding */
 
 .ad-container {