By default, the platform does not have this option to change the icon for Twitter on your site. You can use the following CSS code.
Please follow the steps below:
1. Go to WordPress Dashboard – Appearance
2. Customize
2. Additional CSS
3. Append the following:
i.bb-icon-rf.bb-icon-brand-twitter:before { content: ""; display: inline-block; width: 15px; height: 15px; background-image: url('https://about.twitter.com/content/dam/about-twitter/x/brand-toolkit/logo-black.png.twimg.1920.png'); background-size: cover; }
4. Click on Published to save the changes.
Screenshots
Without Code:
With Code: