diff --git a/assets/js/lib/test-utils/ui/index.jsx b/assets/js/lib/test-utils/ui/index.jsx
index 34cde512af..998816f7ac 100644
--- a/assets/js/lib/test-utils/ui/index.jsx
+++ b/assets/js/lib/test-utils/ui/index.jsx
@@ -1,7 +1,11 @@
 import React from 'react';
 
+// eslint-disable-next-line import/no-dynamic-require
+const pkg = require(`${process.cwd()}/package.json`);
+
+// Application global css
 const css = require('fs').readFileSync(
-  `${__dirname}/../../../../../priv/static/assets/app.css`,
+  `${process.cwd()}/${pkg.variables.css}`,
   'utf8'
 );
 
diff --git a/assets/package.json b/assets/package.json
index b044d0d831..060bfe0316 100644
--- a/assets/package.json
+++ b/assets/package.json
@@ -78,16 +78,19 @@
   "overrides": {
     "@testing-library/dom": "^9.0.1"
   },
+  "variables": {
+    "css": "../priv/static/assets/app.css"
+  },
   "scripts": {
-    "tailwind:build": "tailwindcss --postcss --minify --input=css/app.css --output=../priv/static/assets/app.css",
+    "tailwind:build": "tailwindcss --postcss --minify --input=css/app.css --output=$npm_package_variables_css",
     "build": "node build.js",
-    "deploy": "tailwindcss --postcss --minify --input=css/app.css --output=../priv/static/assets/app.css && node build.js",
+    "deploy": "tailwind:build && npm run build",
     "storybook": "storybook dev -p 6006",
     "build-storybook": "storybook build",
     "lint": "eslint . --ext js,jsx",
     "format:check": "prettier -c .",
     "format": "prettier --write .",
-    "pretest": "ls ../priv/static/assets/app.css || npm run tailwind:build",
+    "pretest": "ls $npm_package_variables_css || npm run tailwind:build",
     "test": "jest",
     "chromatic": "npx chromatic --exit-zero-on-changes"
   }