HTML 代码
<div class="max-w-md mx-auto">
<div class="relative">
<input type="text" class="w-full py-3 px-4 pr-10 text-sm text-gray-900 placeholder-gray-600 bg-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-purple-600 focus:border-transparent border-2 border-gray-400 dark:bg-gray-700 dark:text-gray-100 dark:placeholder-gray-400 dark:border-gray-600 dark:focus:ring-purple-400" placeholder="Search...">
<svg class="absolute right-3 top-3 w-5 h-5 text-gray-600 dark:text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/ 2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path></svg>
</div>
</div>