diff --git a/xmpp.css b/xmpp.css
index cc27f6bd..2ef1bd8e 100644
--- a/xmpp.css
+++ b/xmpp.css
@@ -58,6 +58,7 @@ pre {
     background-color: #e0e9f2;
     padding: 0.4em;
     border: 1px solid #369;
+    overflow: scroll;
     }
 ul {
     list-style: disc outside;
@@ -154,5 +155,5 @@ A:visited.pagehead {
     white-space: nowrap;
     }
 .event {
-	color: #336699;
-}
+    color: #336699;
+    }