ONOS-2325 - GUI -- Rewrite / bug fix for table row flashing. Multi-rows act like a unit and row flashes when a single new element is added.

Change-Id: I7be876281c0c86b927366223fc87372ea21034ec
diff --git a/web/gui/src/main/webapp/app/view/port/port.css b/web/gui/src/main/webapp/app/view/port/port.css
index 6639539..7fcfee3 100644
--- a/web/gui/src/main/webapp/app/view/port/port.css
+++ b/web/gui/src/main/webapp/app/view/port/port.css
@@ -42,4 +42,8 @@
 
 #ov-port td {
     text-align: right;
-}
\ No newline at end of file
+}
+
+#ov-port tr.no-data td {
+    text-align: center;
+}