kde-style-oxygen software package provides Oxygen widget style, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kde-style-oxygen
kde-style-oxygen is installed in your system.
Make ensure the kde-style-oxygen package were installed using the commands given below,
$ sudo dpkg-query -l | grep kde-style-oxygen *
You will get with kde-style-oxygen package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | KDE |
| Package | kde-style-oxygen |
| Version | 4:4.8.5-0ubuntu0.4 [amd64, i38 |
| Description | Oxygen widget style |
| Sub Section | KDE |