update

package.json

@@ -10,6 +10,7 @@
     "@types/react": "^17.0.9",
     "@types/react-dom": "^17.0.6",
     "@types/react-qr-reader": "^2.1.3",
+    "@types/styled-components": "^5.1.10",
     "parcel-bundler": "^1.12.5",
     "typescript": "^4.3.2"
   },
@@ -20,7 +21,8 @@
     "react-dom": "^17.0.2",
     "react-dropzone": "^11.3.2",
     "react-qr-code": "^1.1.1",
-    "react-qr-reader": "^2.2.1"
+    "react-qr-reader": "^2.2.1",
+    "styled-components": "^5.3.0"
   },
   "browserslist": [
     "last 1 Chrome version"