diff --git a/framework/core/less/forum/discussion.less b/framework/core/less/forum/discussion.less
index c492ba2aa..67eeaee79 100644
--- a/framework/core/less/forum/discussion.less
+++ b/framework/core/less/forum/discussion.less
@@ -272,6 +272,13 @@
     border-top: 2px dotted @fl-body-bg;
     border-bottom: 2px dotted @fl-body-bg;
   }
+  & pre {
+    border: 0;
+    padding: 15px;
+    background: #fafafa;
+    color: #666;
+    font-size: 90%;
+  }
 }
 .post.is-hidden {
   & .post-header, & .post-header a, & .post-user h3, & .post-user h3 a {