diff --git a/templates/calendar/index.html.twig b/templates/calendar/index.html.twig
index ab1a4698f62b1dc4441e04ee9f08e9ea672b903f..27cbf59f3fb56832926420bac0c30f53c18a54c7 100644
--- a/templates/calendar/index.html.twig
+++ b/templates/calendar/index.html.twig
@@ -36,8 +36,8 @@
 			</div>
 		</div>
 		{# <div id="calendar" style"height: 800px;"></div> #}
-		<button id="prevBtn" class="btn btn-primary">Prev</button>
-		<button id="nextBtn" class="btn btn-danger">Next</button>
+		<button id="prevBtn" class="btn btn-secondary">Prev</button>
+		<button id="nextBtn" class="btn btn-primary">Next</button>
 		<div id="calendarList"></div>
 	</body>