diff --git a/generators/work.html.template b/generators/work.html.template
index eae123a..7991358 100644
--- a/generators/work.html.template
+++ b/generators/work.html.template
@@ -7,6 +7,7 @@
     margin: 0;
     padding: 0;
     overflow: hidden;
+    background-color: black;
   }
 </style>
 <link rel="stylesheet" href="index.css" />
diff --git a/html/001-platform-provenance.html b/html/001-platform-provenance.html
index d5949c6..5c7b817 100644
--- a/html/001-platform-provenance.html
+++ b/html/001-platform-provenance.html
@@ -7,6 +7,7 @@
     margin: 0;
     padding: 0;
     overflow: hidden;
+    background-color: black;
   }
 </style>
 <link rel="stylesheet" href="index.css" />