diff --git a/index.html b/index.html
index 17c76ab..4012621 100644
--- a/index.html
+++ b/index.html
@@ -14,4 +14,10 @@
   style:hover {
     outline: 0;
   }
+  style::before{
+    content: '<style>';
+  }
+  style::after{
+    content: '<\/style>';
+  }
 </style>