diff -r fd8fb93e1b6a -r a361355b55c7 src/pyams_skin/resources/less/modal.less
--- a/src/pyams_skin/resources/less/modal.less	Wed May 20 15:01:45 2015 +0200
+++ b/src/pyams_skin/resources/less/modal.less	Wed Jun 17 10:00:10 2015 +0200
@@ -7,6 +7,7 @@
 	position: fixed;
 	width: 100%;
 	height: 100%;
+	z-index: 990;
 }
 
 .modal-dialog {
@@ -32,6 +33,11 @@
 			max-width: 450px;
 		}
 	}
+	.modal-body {
+		.modal-viewport {
+			min-height: 140px;
+		}
+	}
 	.suffix {
 		.alert {
 			margin-bottom: 0;