diff --git a/src/css/user-rules.css b/src/css/user-rules.css
index 224028c..997920f 100644
--- a/src/css/user-rules.css
+++ b/src/css/user-rules.css
@@ -8,6 +8,7 @@ div > p:last-child {
     border: 0;
     margin: 0;
     padding: 0;
+    white-space: nowrap;
 }
 #diff > div {
     border: 0;