diff --git a/frontend/src/styles/global.css b/frontend/src/styles/global.css
index b7999f1..e43e095 100644
--- a/frontend/src/styles/global.css
+++ b/frontend/src/styles/global.css
@@ -769,8 +769,9 @@ code, pre, kbd, samp {
   position: absolute;
   bottom: 18px;
   right: 18px;
-  background: rgba(20, 16, 12, 0.78);
+  background: color-mix(in srgb, var(--crust) 78%, transparent);
   color: var(--rosewater);
+  border: 1px solid color-mix(in srgb, var(--rosewater) 22%, transparent);
   font-family: var(--font-display);
   font-size: 0.7rem;
   letter-spacing: 0.16em;