Add extended flex basis options

tailwind.config.js

@@ -16,6 +16,15 @@ module.exports = {
   },
   darkMode: false, // or 'media' or 'class'
   theme: {
+    flex: {
+      '1': '1 1 0%',
+      auto: '1 1 auto',
+      initial: '0 1 auto',
+      none: 'none',
+      '1-1/4': '1 1 25%',
+      '1-1/3': '1 1 33.3333333%',
+      '1-1/2': '1 1 50%',
+    },
     extend: {},
   },
   variants: {