breathe-icon-theme software package provides A fresh and modern icon theme 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 breathe-icon-theme
breathe-icon-theme is installed in your system.
Make ensure the breathe-icon-theme package were installed using the commands given below,
$ sudo dpkg-query -l | grep breathe-icon-theme *
You will get with breathe-icon-theme package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | breathe-icon-theme |
| Version | 0.51.2 |
| Description | A fresh and modern icon theme for Ubuntu |
| Sub Section | X72 |