fix: Update theme config.

Author: aidanCQ

src/tailwindTheme.ts

@@ -18,7 +18,9 @@ export const tailwindTheme = {
         ring: "hsl(var(--ring))",
         background: "hsl(var(--background))",
         foreground: "hsl(var(--foreground))",
-        paper: "hsl(var(--paper))",
+        paper: {
+          DEFAULT: "hsl(var(--paper))"
+        },
         primary: {
           DEFAULT: "hsl(var(--primary))",
           foreground: "hsl(var(--primary-foreground))",