diff --git a/public/css/default.css b/public/css/default.css
index 2129e5e..647d31f 100644
--- a/public/css/default.css
+++ b/public/css/default.css
@@ -588,6 +588,20 @@ a#previous_photo:hover, a#next_photo:hover {
 	margin: 25px 3.5% 25px 0;
 	width: 68.5%;
 }
+#sub_photo #tag_list {
+	list-style: none;
+	margin: 1em 0;
+	padding: 0;
+}
+#sub_photo #tag_list li {
+	display: inline;
+}
+#sub_photo #tag_list li:after {
+	content: ', ';
+}
+#sub_photo #tag_list li:last-child:after {
+	content: '';
+}
 
 #photo_exif_box {
 	background: #fff;