--- a/src/pyams_default_theme/resources/css/pyams-default.css	Fri Oct 18 15:23:50 2019 +0200
+++ b/src/pyams_default_theme/resources/css/pyams-default.css	Fri Oct 18 15:26:42 2019 +0200
@@ -428,6 +428,10 @@
 .wrapper-imagemap {
   position: relative;
   display: inline-flex;
+  width: 100%;
+}
+.wrapper-imagemap img {
+  width: 100%;
 }
 .wrapper-imagemap svg {
   position: absolute;
@@ -435,6 +439,8 @@
   right: 0;
   fill: #888;
   fill-opacity: 0;
+  width: 100%;
+  height: 100%;
 }
 .wrapper-imagemap svg polygon:hover {
   fill-opacity: 0.5;