Qt

1. Open terminal and type the following sudo apt install qgnomeplatform-qt5 2. Edit /etc/environment and paste the following: sudo vim /etc/environment # fix for broken QT themes QT_QPA_PLATFORM=xcb 3. Log out of the session or restart the machine. sudo reboot Recommended Guides: Debian Post Install Debian Apps Debian Firewall Debian Better Fonts

First install the adw-gtk3 package. Fedora dnf install adw-gtk3-theme Arch pacman -S adw-gtk-theme Debian 3rd party repo Then open your terminal and make the following changes to the environment file. sudo nano /etc/environment QT_QPA_PLATFORM=xcb QT_STYLE_OVERRIDE=adw-gtk3-theme Optional GSK_RENDERER=ngl FREETYPE_PROPERTIES=“cff:no-stem-darkening=0 autofitter:no-stem-darkening=0”