--- a/src/pyams_skin/resources/less/modal.less	Fri Dec 28 10:06:15 2018 +0100
+++ b/src/pyams_skin/resources/less/modal.less	Fri Dec 28 10:58:26 2018 +0100
@@ -105,6 +105,10 @@
 			background: -ms-linear-gradient(bottom,  rgba(50, 118, 177,1) 0%,rgba(50, 118, 177, 0.83) 17%,rgba(50, 118, 177, 0) 100%); /* IE10+ */
 			background: linear-gradient(to top,  rgba(50, 118, 177,1) 0%,rgba(50, 118, 177, 0.83) 17%,rgba(50, 118, 177, 0) 100%); /* W3C */
 		}
+
+		@media only screen and (max-width: 991px) {
+			display: none;
+		}
 	}
 }