Contact Icons

Hi,

To reduce icon size of your social icon. We can add custom css to Additional Css of Customize WordPress.

Example:

.site-footer .footer-social a {
font-size: 25px;
}

To understand how to work with you can follow this tutorial: https://www.wpbeginner.com/plugins/how-to-easily-add-custom-css-to-your-wordpress-site/

Let me know if you need more help.