diff --git a/view/theme/vier/style.css b/view/theme/vier/style.css
index ff25ff8b2..340d3b644 100644
--- a/view/theme/vier/style.css
+++ b/view/theme/vier/style.css
@@ -3293,9 +3293,14 @@ img.photo-top-photo {
 }
 
 /* upload/select popup */
-.fbrowser.image .photo-album-image-wrapper { margin-left: 10px; }
- #message-preview { margin-top: 15px; }
- #message-preview span { width: 100%; }
- #message-preview .mail-count, #message-preview .mail-delete { display:none; }
- #message-preview .mail-list-wrapper { padding: 3px; }
- #message-preview .mail-date { opacity:0.6; font-size:10px; }
+  fbrowser.image .photo-album-image-wrapper { margin-left: 10px; }
+  #message-preview { margin-top: 15px; }
+  #message-preview span { width: 100%; }
+  #message-preview .mail-count, #message-preview .mail-delete { display:none; }
+  #message-preview .mail-list-wrapper { padding: 3px; }
+  #message-preview .mail-date { opacity:0.6; font-size:10px; }
+
+/* colorbox */
+#colorbox img {
+  max-width: 100%;
+}