diff --git a/guides/assets/stylesheets/highlight.css b/guides/assets/stylesheets/highlight.css
index 21cf66aaa8..8d66fa781c 100644
--- a/guides/assets/stylesheets/highlight.css
+++ b/guides/assets/stylesheets/highlight.css
@@ -271,6 +271,6 @@
 
   .highlight .gh { } /* Generic Heading & Diff Header */
   .highlight .gu { color: #75715e; } /* Generic.Subheading & Diff Unified/Comment? */
-  .highlight .gd { color: #f92672; } /* Generic.Deleted & Diff Deleted */
-  .highlight .gi { color: #a6e22e; } /* Generic.Inserted & Diff Inserted */
+  .highlight .gd { color: #f92672; background-color: unset; } /* Generic.Deleted & Diff Deleted */
+  .highlight .gi { color: #a6e22e; background-color: unset; } /* Generic.Inserted & Diff Inserted */
 }