diff --git a/features/custom-media-queries.yml b/features/custom-media-queries.yml
new file mode 100644
index 00000000000..792f9c104e3
--- /dev/null
+++ b/features/custom-media-queries.yml
@@ -0,0 +1,5 @@
+name: Custom media queries
+description: The `@custom-media` rule defines a named media query, which can then be reused in multiple `@media` rules.
+spec: https://www.w3.org/TR/mediaqueries-5/#custom-mq
+group: media-queries
+# Custom media queries are not in BCD. So, there are no BCD keys we can list here yet.
diff --git a/features/custom-media-queries.yml.dist b/features/custom-media-queries.yml.dist
new file mode 100644
index 00000000000..6cb9eaf1c85
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+++ b/features/custom-media-queries.yml.dist
@@ -0,0 +1,4 @@
+# Generated from: custom-media-queries.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+{}