adium-theme-ubuntu software package provides Adium message style for Ubuntu, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install adium-theme-ubuntu
adium-theme-ubuntu is installed in your system.
Make ensure the adium-theme-ubuntu package were installed using the commands given below,
$ sudo dpkg-query -l | grep adium-theme-ubuntu *
You will get with adium-theme-ubuntu package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | GNOME |
| Package | adium-theme-ubuntu |
| Version | 0.3.4-0ubuntu1 |
| Description | Adium message style for Ubuntu |
| Sub Section | GNOME |