diff --git a/maps/M-MGN1-3.svg b/maps/M-MGN1-3.svg
index f167a73..b2acf82 100644
--- a/maps/M-MGN1-3.svg
+++ b/maps/M-MGN1-3.svg
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?xml-stylesheet type="text/css" href="../resources/svg.css" ?>
 <svg
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:cc="http://creativecommons.org/ns#"
diff --git a/resources/svg.css b/resources/svg.css
new file mode 100644
index 0000000..9b6ab4a
--- /dev/null
+++ b/resources/svg.css
@@ -0,0 +1,7 @@
+.svg-salle {
+  transition: fill .3s;
+}
+
+.svg-salle:hover {
+  fill: red !important;
+}