diff --git a/src/css/dyna-rules.css b/src/css/dyna-rules.css
index 346055539..ded7c319e 100644
--- a/src/css/dyna-rules.css
+++ b/src/css/dyna-rules.css
@@ -124,11 +124,14 @@ body[dir="rtl"] #commitButton:before {
     background-color: #eee;
     }
 #diff .right li {
+    opacity: 0.5;
     }
 #diff .right li:hover {
     }
 #diff .right li.notLeft {
     color: #000;
+    background: lightgreen;
+    opacity: 1;
     }
 #diff .right li.notRight {
     color: #000;
@@ -136,6 +139,8 @@ body[dir="rtl"] #commitButton:before {
 #diff .right li.toRemove {
     color: #000;
     text-decoration: line-through;
+    background: lightpink;
+    opacity: 1;
     }
 #diff textarea {
     background-color: #f8f8ff;