diff --git a/kadai.css b/kadai.css
index fd56d04..525d0e3 100644
--- a/kadai.css
+++ b/kadai.css
@@ -62,7 +62,7 @@
 	left:0ex;height:12ex;width:6ex;top:-12ex;
 	}
 	
-	.check {
+span.check {
         background-color: red;
         color: red;
         }