diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..dd62212
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/hextra"]
+	path = themes/hextra
+	url = https://github.com/imfing/hextra.git
diff --git a/config/_default/hugo.toml b/config/_default/hugo.toml
index bd1a047..bb512f6 100644
--- a/config/_default/hugo.toml
+++ b/config/_default/hugo.toml
@@ -1,3 +1,5 @@
 baseURL = 'https://little-emulator.org/'
 languageCode = 'en'
 title = 'Little Emulator'
+
+theme = "hextra"
diff --git a/themes/hextra b/themes/hextra
new file mode 160000
index 0000000..3551a56
--- /dev/null
+++ b/themes/hextra
@@ -0,0 +1 @@
+Subproject commit 3551a56b8cdebd38170ecb5990e17ec9130aa457