Xubuntu Mac Conversion Guide

       #!/bin/bash
       sudo apt install mate mate-tweak mate-applet-appmenu git

set cupertino theme in mate-tweak

move menu buttons to the left

reboot/logout to fix global menu

       cd /usr/share/themes && sudo git clone https://github.com/zayronxio/Os-Catalina-gtk
       cd ~/.icons && git clone https://github.com/zayronxio/Os-Catalina-icons
       cd /usr/share/themes && sudo git clone https://github.com/zayronxio/Mkosbigsur-gtk.git
       cd /usr/share/themes/Mkosbigsur-gtk/metacity-1/
       sudo touch metacity-theme-1.xml

set themes accordingly in appearance, using Mkosbigsur-gtk as the window border theme

workaround for window border theme resetting bug:

https://askubuntu.com/questions/1405387/ubuntu-mate-window-border-changes-to-default-after-reboot