Update Tailwind, fix checkbox example

Author: adamwathan

index.html

@@ -119,7 +119,7 @@ <h2 class="text-2xl font-bold">Simple</h2>
                     <label class="inline-flex items-center">
                       <input
                         type="checkbox"
-                        class="rounded border-gray-300 text-indigo-600 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50"
+                        class="rounded border-gray-300 text-indigo-600 shadow-sm focus:border-indigo-300 focus:ring focus:ring-offset-0 focus:ring-indigo-200 focus:ring-opacity-50"
                         checked
                       />
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