diff --git a/less/topic.less b/less/topic.less
index 9da1f64..b586328 100644
--- a/less/topic.less
+++ b/less/topic.less
@@ -261,6 +261,10 @@
 			}
 
 			iframe, .img-responsive {
+				width: 85%;
+			}
+
+			iframe, img {
 				max-width: 400px;
 			}