Mastodon social media image

Hi, is there any chance you could add the Mastodon social media logo to the icons please?
I’m using this code at the moment but it’s not great
Thank you 🙂

i.hb-moon-link-5::before 
    {content: url('https://getmaths.co.uk/wp-content/uploads/2022/11/mastodon.gif');
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 5px;}