아 404 컴포넌트 날먹 개꿀이죠~

styles/globals.css

@@ -142,3 +142,29 @@
     @apply bg-background text-foreground;
   }
 }
+
+@theme {
+  --animate-highlight: highlight 0.6s ease forwards;
+  --animate-flash: flash 0.6s ease forwards;
+
+  @keyframes highlight {
+    0% {
+      background-color: transparent;
+    }
+    100% {
+      background-color: var(--highlight);
+    }
+  }
+
+  @keyframes flash {
+    0% {
+      background-color: hsl(var(--card));
+    }
+    50% {
+      background-color: var(--highlight);
+    }
+    100% {
+      background-color: hsl(var(--card));
+    }
+  }
+}