dont allow browser text-selection on fc icons

src/common/common.css

@@ -79,7 +79,15 @@ body .fc { /* extra precedence to overcome jqui */
 	text-align: center;
 	overflow: hidden;
 	font-family: "Courier New", Courier, monospace;
-}
+
+	/* don't allow browser text-selection */
+	-webkit-touch-callout: none;
+	-webkit-user-select: none;
+	-khtml-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+	}
 
 /*
 Acceptable font-family overrides for individual icons: