diff --git a/umap/static/umap/map.css b/umap/static/umap/map.css
index dc384ca5..61e2850e 100644
--- a/umap/static/umap/map.css
+++ b/umap/static/umap/map.css
@@ -1384,7 +1384,7 @@ a.add-datalayer:hover,
 .leaflet-touch .leaflet-bar a {
     width: 36px;
     height: 36px;
-    line-height: 36px;
+    line-height: 34px;
 }
 
 /* ****** */