diff --git a/less/topic.less b/less/topic.less
index 0af16e6..682d357 100644
--- a/less/topic.less
+++ b/less/topic.less
@@ -327,6 +327,7 @@
 				code {
 					white-space: pre;
 					word-wrap: normal;
+					min-width: 100%;
 				}
 			}