[解決済み] Font Awesome 5、instagramのアイコンが消えているのはなぜ？

.share{
display:inline-block;
color:#0099cc;
font-size:25px;
}

<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.1/css/all.css">

<i class="fab fa-facebook-square share"></i>
<i class="fab fa-instagram-square share"></i>
<i class="fab fa-twitter-square share"></i>

.share {
  display: inline-block;
  color: #0099cc;
  font-size: 25px;
}

<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.15.1/css/all.css">

<i class="fab fa-facebook-square share"></i>
<i class="fab fa-instagram-square share"></i>
<i class="fab fa-twitter-square share"></i>