WP Admin Cleaner. Replace WP topbar logo

admin.css

/* Upload your transparent png and replace url */

#wpadminbar #wp-admin-bar-wp-logo>.ab-item .ab-icon:before {
    background-image: url(https://dev-wordpress.local/wp-content/uploads/2023/11/gits-icon.png);
    background-size: contain;
    background-repeat: no-repeat;
    display: inline-block;
    width: 100%;
    height: 100%;
    content: "";
    background-position: center center;
}

#wpadminbar #wp-admin-bar-wp-logo>.ab-item .ab-icon{
  width: 24px;
}