Where is the problem with this code? It should usually show the phone icon. But it only shows an empty square.
I used to use it in the same way before and had no problem. I recently encountered such a problem.
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
<i class="fa-solid fa-phone"></i>I am in a hurry, please reply quickly. thank you