gnu: Add cl-css-lite.

* gnu/packages/lisp-xyz.scm (cl-css-lite, ecl-css-lite, sbcl-css-lite): New
  variables.

Signed-off-by: Guillaume Le Vaillant <glv@posteo.net>

gnu/packages/lisp-xyz.scm

@@ -28,7 +28,7 @@
 ;;; Copyright © 2021 Cameron Chaparro <cameron@cameronchaparro.com>
 ;;; Copyright © 2021 Charles Jackson <charles.b.jackson@protonmail.com>
 ;;; Copyright © 2021, 2022 Foo Chuan Wei <chuanwei.foo@hotmail.com>
-;;; Copyright © 2021 jgart <jgart@dismail.de>
+;;; Copyright © 2021, 2022 jgart <jgart@dismail.de>
 ;;; Copyright © 2021 Aleksandr Vityazev <avityazev@posteo.org>
 ;;; Copyright © 2021 Jacob MacDonald <jaccarmac@gmail.com>
 ;;;
@@ -20324,6 +20324,37 @@ (define-public cl-phos
 (define-public ecl-phos
   (sbcl-package->ecl-package sbcl-phos))
 
+(define-public sbcl-css-lite
+  (let ((commit "6ee4e6212ed56943d665df163d2a834b122e6273")
+        (revision "0"))
+    (package
+      (name "sbcl-css-lite")
+      (version "0.01")
+      (source
+        (origin
+          (method git-fetch)
+          (uri (git-reference
+                (url "https://github.com/paddymul/css-lite")
+                (commit commit)))
+          (sha256
+           (base32 "1lyvw7hcy09k5qs6icky23s13psqxncyc73hdyiimb66p0jx6k0d"))
+          (file-name (git-file-name "cl-css-lite" commit))))
+      (build-system asdf-build-system/sbcl)
+      (home-page "https://github.com/paddymul/css-lite")
+      (synopsis "CSS grammar for Lisp")
+      (description
+       "@code{cl-css-lite} is a library for generating CSS from an s-exp based
+syntax.  When compiled with Parenscript loaded in the Lisp image, it
+also provides the same CSS generation facilities in Parenscript-generated
+JavaScript code.")
+      (license license:bsd-3))))
+
+(define-public cl-css-lite
+  (sbcl-package->cl-source-package sbcl-css-lite))
+
+(define-public ecl-css-lite
+  (sbcl-package->ecl-package sbcl-css-lite))
+
 (define-public sbcl-nhooks
   (package
     (name "sbcl-nhooks")