Afficher un message en cas de clic sur le vector tile

public/views/css/d.map.css

@@ -17,6 +17,25 @@ footer {
 	z-index: 10000;
 }
 
+#map-zoom-hint {
+	position: absolute;
+	left: 50%;
+	top: 50%;
+	transform: translate(-50%, -50%);
+	background: #212121;
+	color: white;
+	text-align: center;
+	border: none;
+	font-size: 14px;
+	line-height: 30px;
+	padding: 0px 10px;
+	opacity: 0.9;
+	z-index: 2000;
+	display: none;
+	pointer-events: none;
+	white-space: nowrap;
+}
+
 /*****************************************
  Controls of the map
 *****************************************/