#adminmenu a[href="tools.php?page=mini-admin-menu"],
#adminmenu a[href="index.php?page=mini-admin-menu"] {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#adminmenu a[href="tools.php?page=mini-admin-menu"]::after,
#adminmenu a[href="index.php?page=mini-admin-menu"]::after {
    /* https://developer.wordpress.org/resource/dashicons */
    content: "\f535"; 
    font-family: dashicons;
    right: 8px;
    position: absolute;
    font-size: 18px;
}

#adminmenu a.current[href="tools.php?page=mini-admin-menu"]::after,
#adminmenu a.current[href="index.php?page=mini-admin-menu"]::after {
    color: #2271b1;
}