diff --git a/index.css b/index.css
index 20e6da1..40093f2 100644
--- a/index.css
+++ b/index.css
@@ -132,4 +132,14 @@ body {
     color: var(--foreground);
     text-decoration: none;
     user-select: none;
+}
+
+@supports not (background: conic-gradient(from 0deg in hsl longer hue, red 0 0)) {
+    html::before {
+        background: linear-gradient(-45deg, #204000 0%, #404000 100%);
+    }
+
+    .link-content::before, .link-content::after {
+        background: white;
+    }
 }
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