css update

lib/spreadjs/sheets/css/gc.spread.sheets.sc.css

@@ -123,7 +123,7 @@
     border-right-color: #ababab !important;
 }
 .gc-rowHeader-highlight {
-    color: #217346;
+    color: #2577c2;
     background-color: #d4d4d4;
     background-image: none;
     border-style:solid;