diff --git a/lib/zin/wg/label/css/v1.css b/lib/zin/wg/label/css/v1.css
deleted file mode 100644
index b9051f40e6..0000000000
--- a/lib/zin/wg/label/css/v1.css
+++ /dev/null
@@ -1,9 +0,0 @@
-.label.status-clarify, .label.status-draft {--tw-ring-color: #8166ee;}
-.label.status-cancel, .label.status-canceled, .label.status-investigate {--tw-ring-color: #838a9d;}
-.label.status-canceled, .label.status-closed, .label.status-testtask .label.status-done {--tw-ring-color: #9ea3b0;}
-.label.status-blocked, .label.status-hangup, .label.status-pause, .label.status-suspended {--tw-ring-color: #b89664;}
-.label.status-noreview, .label.status-reviewing, .label.status-wait .label.status-testcase {--tw-ring-color: #18a6fd;}
-.label.status-active .label.status-risk, .label.status-changed, .label.status-changing, .label.status-fail {--tw-ring-color: #fb2b2b;}
-.label.status-active, .label.status-asked, .label.status-normal, .label.status-unconfirmed, .label.status-wait {--tw-ring-color: #313c52;}
-.label.status-active .label.status-issue, .label.status-checking, .label.status-commenting, .label.status-confirmed, .label.status-doing {--tw-ring-color: #ff6f42;}
-.label.status-checked, .label.status-done, .label.status-pass, .label.status-replied, .label.status-resolved, .label.status-success {--tw-ring-color: #0dbb7d;}
diff --git a/lib/zin/wg/label/v1.php b/lib/zin/wg/label/v1.php
index 24b031f735..40375b7dea 100644
--- a/lib/zin/wg/label/v1.php
+++ b/lib/zin/wg/label/v1.php
@@ -10,7 +10,17 @@ class label extends wg
 
     public static function getPageCSS(): ?string
     {
-        return file_get_contents(__DIR__ . DS . 'css' . DS . 'v1.css');
+        return <<<CSS
+        .label.status-clarify, .label.status-draft {--tw-ring-color: #8166ee;}
+        .label.status-cancel, .label.status-canceled, .label.status-investigate {--tw-ring-color: #838a9d;}
+        .label.status-canceled, .label.status-closed, .label.status-testtask .label.status-done {--tw-ring-color: #9ea3b0;}
+        .label.status-blocked, .label.status-hangup, .label.status-pause, .label.status-suspended {--tw-ring-color: #b89664;}
+        .label.status-noreview, .label.status-reviewing, .label.status-wait .label.status-testcase {--tw-ring-color: #18a6fd;}
+        .label.status-active .label.status-risk, .label.status-changed, .label.status-changing, .label.status-fail {--tw-ring-color: #fb2b2b;}
+        .label.status-active, .label.status-asked, .label.status-normal, .label.status-unconfirmed, .label.status-wait {--tw-ring-color: #313c52;}
+        .label.status-active .label.status-issue, .label.status-checking, .label.status-commenting, .label.status-confirmed, .label.status-doing {--tw-ring-color: #ff6f42;}
+        .label.status-checked, .label.status-done, .label.status-pass, .label.status-replied, .label.status-resolved, .label.status-success {--tw-ring-color: #0dbb7d;}
+        CSS;
     }
 
     public function onAddChild($child)