Change default theme

Use flat-remix themes and icons.

Lang: bash 
xfconf-query -c xsettings -p /Net/ThemeName -s Flat-Remix-GTK-Blue-Dark
xfconf-query -c xsettings -p /Net/IconThemeName -s Flat-Remix-Blue-Dark
xfconf-query -c xfwm4 -p /general/theme -s Flat-Remix-Dark-XFWM

Xfce panel

Lang: bash 
xfconf-query -c xfce4-panel -p /panels/dark-mode -s true
xfconf-query -c xfce4-panel -p /panels/panel-1/enter-opacity -s 80
xfconf-query -c xfce4-panel -p /panels/panel-1/leave-opacity -s 100
xfconf-query -c xfce4-panel -p /panels/panel-1/size -s 28

Xfce Window

Disable frames around windows when pressing alt+tab

Lang: bash 
xfconf-query -c xfwm4 -p /general/cycle_draw_frame -s false

Xfce panel plugins

Manually customize panel plugins using GUI if no command line options.

  • Customize whisker menu, change whisker menu icon, add favorites, add logout restart and shutdown buttons.
  • Change workspace switcher appearance to Buttons from Miniature View.
  • Change workspace names to numbers.
  • Don’t show window titles in window buttons plugin.
  • Change date and time format to %a, %d-%b-%Y, %I:%M %p.
  • Change face icon file located at ~/.face.
  • Customize login page

Restore Kali default settings

Lang: sh 
rm -rf ~/.config/ && reboot

References