Index: sources/gui/qml/components/ModalDialog.qml
===================================================================
diff -u -ra5760947d3ed0d2748ba023a1c25e3c6aa0b1de1 -r77ba0083b790f7c1c851c60ecaeaa4f2e7eff7a8
--- sources/gui/qml/components/ModalDialog.qml	(.../ModalDialog.qml)	(revision a5760947d3ed0d2748ba023a1c25e3c6aa0b1de1)
+++ sources/gui/qml/components/ModalDialog.qml	(.../ModalDialog.qml)	(revision 77ba0083b790f7c1c851c60ecaeaa4f2e7eff7a8)
@@ -49,8 +49,10 @@
 
     closePolicy: Dialog.NoAutoClose
     Overlay.modal : Rectangle { id : _borderRect
-        anchors.fill: parent
-        color: Colors.borderDialog
+        anchors.fill    : parent
+        color           : "#B3000000"
+
+        Behavior on opacity { NumberAnimation { duration: 300} }
     }
 
     background: Rectangle { id: _backgroundRect