improved display of decided board

src/frontend/static/style.css

@@ -40,6 +40,17 @@ table.game-board-table tbody.game-board td {
   padding: 3px;
 }
 
+/* Colors for wins taken from jspaint.app where I drew icons for X and Y */
+.outcome-winx table.game-board-table,
+.outcome-winx table.game-board-table tbody.game-board td {
+  border-color: #804000;
+}
+
+.outcome-wino table.game-board-table,
+.outcome-wino table.game-board-table tbody.game-board td {
+  border-color: #800080;
+}
+
 tbody.game-board button,
 tbody.game-board button:disabled,
 tbody.game-board button:hover {