diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dcaf716
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+index.html
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..2e8d99e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+LOCAL_BIKESHED := $(shell command -v bikeshed 2> /dev/null)
+
+index.html: index.bs
+ifndef LOCAL_BIKESHED
+	curl https://api.csswg.org/bikeshed/ -F file=@$< > $@
+else
+	bikeshed spec
+endif