diff --git a/barkmanui/postcss.config.cjs b/barkmanui/postcss.config.cjs
new file mode 100644
index 0000000..bfba0dd
--- /dev/null
+++ b/barkmanui/postcss.config.cjs
@@ -0,0 +1,14 @@
+module.exports = {
+  plugins: {
+    'postcss-preset-mantine': {},
+    'postcss-simple-vars': {
+      variables: {
+        'mantine-breakpoint-xs': '36em',
+        'mantine-breakpoint-sm': '48em',
+        'mantine-breakpoint-md': '62em',
+        'mantine-breakpoint-lg': '75em',
+        'mantine-breakpoint-xl': '88em',
+      },
+    },
+  },
+};
diff --git a/barkmanui/postcss.config.js b/barkmanui/postcss.config.js
deleted file mode 100644
index 546cebb..0000000
--- a/barkmanui/postcss.config.js
+++ /dev/null
@@ -1,5 +0,0 @@
-export default {
-  plugins: {
-
-  },
-}