HTML 代码
<div class="fixed bottom-10 right-10 z-50">
<a href="#top" class="bg-white dark:bg-gray-800 rounded-full shadow-lg p-3 transition-transform transform hover:scale-110">
<img src="https://picsum.photos/50/50?random=1" alt="Back to Top" class="w-full h-full rounded-full">
</a>
<div class="bg-gray-200 dark:bg-gray-700 text-gray-800 dark:text-white text-sm rounded-lg shadow-md p-2 mt-2 text-center">
Back to Top
</div>
</div>
<style>
@media (prefers-color-scheme: dark) {
.bg-white { background-color: #1f2937; }
.bg-gray-200 { background-color: #4b5563; }
.bg-gray-700 { background-color: #2d3748; }
.text-gray-800 { color: #f7fafc; }
}
</style>