diff --git a/commons/style/common.scss b/commons/style/common.scss
index f7a5065..1c5f255 100644
--- a/commons/style/common.scss
+++ b/commons/style/common.scss
@@ -389,4 +389,7 @@ text {
 // }
 // .u-font-32{
 // 	font-size: 16px;
-// }
\ No newline at end of file
+// }
+.line-th{
+	text-decoration: line-through;
+}
\ No newline at end of file