From 9c2c490967f94a373c381f61341897bc4e19bf41 Mon Sep 17 00:00:00 2001
From: MAEDA Go <maeda@farend.jp>
Date: Fri, 16 Oct 2026 14:00:00 +0900
Subject: [PATCH] Replace transparent.png with a CSS checkerboard using Open
 Color variables

---
 app/assets/images/transparent.png      | Bin 135 -> 0 bytes
 app/assets/stylesheets/application.css |   6 +++++-
 2 files changed, 5 insertions(+), 1 deletion(-)
 delete mode 100644 app/assets/images/transparent.png

diff --git a/app/assets/images/transparent.png b/app/assets/images/transparent.png
deleted file mode 100644
index 7235fc5f2d19f1a3d579d66b4a17ad4ed8b0223b..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 135
zcmeAS@N?(olHy`uVBq!ia0vp^0wB!63?wyl`GbL!WQl7;NpOBzNqJ&XDuZK6ep0G}
zXKrG8YEWuoN@d~6R2!fowg8_H*Z=?j-@SWRCOtt7C?f9Z;uunKD=DFciA_R6p^<T$
doEn2b0)wjnL!*4jUJ0NQ22WQ%mvv4FO#pxZBXj@&

diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index 0a7845014..183b6ff50 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -2401,7 +2401,11 @@ color: var(--oc-gray-7); text-shadow: 1px 1px 0 var(--oc-white);
 
 .repository-graph {inline-size: 75%; margin-block-end: 2em;}
 
-img.filecontent.image {background-image: url(/transparent.png);}
+img.filecontent.image {
+  background-color: var(--oc-white);
+  background-image: conic-gradient(transparent 0 25%, var(--oc-gray-3) 0 50%, transparent 0 75%, var(--oc-gray-3) 0);
+  background-size: 16px 16px;
+}
 
 /* Avatar styles */
 .avatar {
-- 
2.55.0