Update admin.css

src/static/web/css/admin.css

@@ -415,6 +415,16 @@ body.hidemenu .body-right {
 	background:#f5f5f5;
 	border-bottom:1px solid #dee2e6
 }
+.fullpagediv {
+	position:absolute;
+	top:0;
+	left:0;
+	width:100%;
+	height:100%;
+	background:#f5f5f5;
+	opacity:0.6;
+	z-index:1999
+}
 .quicksel {
 	margin-left:10px;
 	margin-top:10px;