Hide frame with css

OddsJavaFx/src/web/style.css

@@ -1,3 +1,11 @@
 table, th, td {
 	border: 1px solid black;
+}
+
+.hide {
+	position: absolute;
+	top: -1px;
+	left: -1px;
+	width: 1px;
+	height: 1px;
 }