diff --git a/README.md b/README.md
index 602ac2ef..a171d91c 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ Buildkite emoji will be shown on both light or dark backgrounds, and at a small
 
 Emoji | Aliases
 ----- | -------
+<img src="img-buildkite-64/css.png" width="20" height="20" alt="css"/> | `:css:`, `:cascading-style-sheets:`
 <img src="img-buildkite-64/all-your-base.png" width="20" height="20" alt="all-your-base"/> | `:all-your-base:`, `:allyourbase:`
 <img src="img-buildkite-64/car-black.png" width="20" height="20" alt="car-black"/> | `:car-black:`
 <img src="img-buildkite-64/car-blue.png" width="20" height="20" alt="car-blue"/> | `:car-blue:`
diff --git a/img-buildkite-64.json b/img-buildkite-64.json
index 2403ff39..4b434ff8 100644
--- a/img-buildkite-64.json
+++ b/img-buildkite-64.json
@@ -1,4 +1,10 @@
 [
+  {
+    "name": "css",
+    "image": "img-buildkite-64/css.png",
+    "category": "Buildkite",
+    "aliases": ["cascading-style-sheets"]
+  },
   {
     "name": "all-your-base",
     "image": "img-buildkite-64/all-your-base.png",
diff --git a/img-buildkite-64/css.png b/img-buildkite-64/css.png
new file mode 100644
index 00000000..f5fb6523
Binary files /dev/null and b/img-buildkite-64/css.png differ