diff --git a/404.html b/404.html
index 5942bc6f..87580e21 100644
--- a/404.html
+++ b/404.html
@@ -4,13 +4,39 @@
+
+
404 Not Found | Data 8

-
Data 8: Foundations of Data Science
+
Data 8: Foundations of Data Science
diff --git a/_includes/head-custom.html b/_includes/head-custom.html
index 05ded900..04d310ef 100644
--- a/_includes/head-custom.html
+++ b/_includes/head-custom.html
@@ -3,7 +3,7 @@
-
+
diff --git a/assets/images/favicon.ico b/assets/images/favicon.ico
new file mode 100644
index 00000000..0027016f
Binary files /dev/null and b/assets/images/favicon.ico differ