Added actual 404 page and fix css compiling

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "dev": "vite",
-    "css": "npx tailwindcss -i ./src/main.scss -o ./src/compiled.scss",
+    "css": "npx postcss ./src/main.scss -o ./src/compiled.scss",
     "build": "vite build",
     "remote": "node production.js remote",
     "decrypt": "node production.js decrypt",
@@ -19,9 +19,10 @@
     "@vitejs/plugin-react": "^4.2.0",
     "child_process": "^1.0.2",
     "daisyui": "^4.4.14",
+    "postcss-import": "^16.1.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "tailwindcss": "^3.3.5",
+    "tailwindcss": "^3.4.3",
     "three": "^0.132.2",
     "typescript": "^5.2.2",
     "vite": "^5.0.10"
@@ -31,16 +32,20 @@
     "@tailwindcss/aspect-ratio": "^0.4.2",
     "@tailwindcss/forms": "^0.5.7",
     "@uiw/react-markdown-preview": "^5.0.3",
+    "autoprefixer": "^10.4.19",
     "clsx": "^2.1.0",
     "colors": "^1.4.0",
-    "firebase": "^10.7.1",
+    "firebase": "^10.6.0",
     "framer-motion": "^11.0.24",
     "from": "^0.1.7",
     "gl-react": "^5.2.0",
     "gl-react-dom": "^5.2.1",
     "hoist-non-react-statics": "^3.3.2",
     "import": "^0.0.6",
     "mermaid": "^10.6.1",
+    "postcss": "^8.4.38",
+    "postcss-cli": "^11.0.0",
+    "postcss-scss": "^4.0.9",
     "raf": "^3.4.1",
     "React": "npm:react@^18.2.0",
     "react-head": "^3.4.2",