--- a/src/pyams_skin/resources/less/layout.less	Fri May 04 09:56:55 2018 +0200
+++ b/src/pyams_skin/resources/less/layout.less	Wed May 23 15:12:19 2018 +0200
@@ -135,6 +135,7 @@
 
 	.fixed-header & {
 		position: fixed;
+		top: 0;
 		width: 100%;
 		z-index: 1001;