diff --git a/nullboard.html b/nullboard.html
index db1b25e..2c72a0f 100644
--- a/nullboard.html
+++ b/nullboard.html
@@ -128,6 +128,8 @@
 
 		margin: 0 auto;
 		padding: 20px;
+
+		user-select: none;
 	}
 
 	body.crowded .board {