diff --git a/css/skeleton-auto.css b/css/skeleton-auto.css
index 8310712..b7d9595 100644
--- a/css/skeleton-auto.css
+++ b/css/skeleton-auto.css
@@ -262,7 +262,7 @@ hr {
 
 
 .zoom-box {
-  width: 150px;
+  margin: 0 auto;
  	-webkit-transition: -webkit-transform 0.2s;
 	transition: -webkit-transform 0.2s;
 	transition: transform 0.2s;