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1

I'm running Kubuntu 15.04 Vivid Vervet Alpha 2. I am a KDE fan and love Plasma 5. However, I have this problem where GTK apps look like crap. Screenshots:

Thunderbird:

Upload boxes:

This is really frustrating especially with really good looking KDE Breeze themed apps like KMail and the like.

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closed as off-topic by user68186, muru, Eric Carvalho, user26687, karel Jan 30 '15 at 20:34

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Bug reports and problems specific to development version of Ubuntu should be reported on Launchpad so that developers can see, track and fix these issues." – user68186, muru, Eric Carvalho, user26687, karel
If this question can be reworded to fit the rules in the help center, please edit the question.
    
Questions on pre-release versions of Ubuntu are off-topic here. Please ask on Launchpad, instead. – muru Jan 30 '15 at 1:35
up vote 2 down vote

The new KDE Theme is called Breeze, but there is no Breeze for GTK (yet?). The old KDE theme is called Oxygen.

  • Close your GTK apps.

Install Oxygen by:

sudo apt-get install plasma-theme-oxygen oxygen-molecule  \
gtk2-engines-oxygen  gtk3-engines-oxygen

Then go to:

  1. System Settings
  2. Appearance Section
  3. Application Style
  4. Gnome Application Style (GTK)
  5. GTK Themes section
  6. Switch to a different themes for both GTK2 and GTK3, press apply
  7. Switch back to oxygen-gtk
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That doesn't work. The packages are broken. – hackintosh777 Jan 30 '15 at 1:33
    
Worked fine for me. I'm running it is Virtualbox vm. Packages change quickly. Just a sanity check, you ran apt-get update first, right? – David Jan 30 '15 at 21:20
1  
Actually had to reinstall Kubuntu because of a botched apt-get upgrade, so I tried switching away from oxygen-gtk and back. It works. – hackintosh777 Feb 1 '15 at 14:00
    
For future reference: Current releases of Kubuntu include uniform Qt and GTK application style. For anything else, see github.com/dirruk1/gnome-breeze – timss May 1 '16 at 18:57

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