Fix dark variant to only modify last class not all classes

Author: adamwathan

src/corePlugins/index.js

@@ -96,7 +96,7 @@ module.exports = {
       addVariant(
         'dark',
         transformAllSelectors((selector) => {
-          let variantSelector = updateAllClasses(selector, (className) => {
+          let variantSelector = updateLastClasses(selector, (className) => {
             return `dark:${className}`
           })
 

src/index.test.css

@@ -115,7 +115,7 @@
   margin: 1.25rem;
   margin-top: 1.5rem;
 }
-.dark .dark\:group:hover .apply-dark-group-example-a {
+.dark .group:hover .apply-dark-group-example-a {
   --tw-bg-opacity: 1;
   background-color: rgba(16, 185, 129, var(--tw-bg-opacity));
 }