diff --git a/shiken.css b/shiken.css
index 2e50796..d61d7c9 100644
--- a/shiken.css
+++ b/shiken.css
@@ -58,5 +58,5 @@
 .g{font-size:40%;
 text-align:center;
 border:solid;
-	border-width:4cm;
+	width:4cm;
 }