diff --git a/static/css/note.css b/static/css/note.css
index 1f86e60..2139446 100644
--- a/static/css/note.css
+++ b/static/css/note.css
@@ -9,6 +9,11 @@ a[target ^= "_new"] {
   padding-right: 13px;
 }
 
+.diff a[target ^= "_new"] {
+  background-image: none;
+  padding-right: 0;
+}
+
 a:hover {
   color: #ff6600;
 }
@@ -17,6 +22,16 @@ h3 {
   margin-bottom: 1em;
 }
 
+ins {
+  color: green;
+  text-decoration: none;
+}
+
+del {
+  color: red;
+  text-decoration: line-through;
+}
+
 .button {
   border-style: outset;
   border-width: 0px;