libgranite-common software package provides extension of GTK+ libraries (common files), 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 libgranite-common
libgranite-common is installed in your system.
Make ensure the libgranite-common package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgranite-common *
You will get with libgranite-common package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Miscellaneous |
| Package | libgranite-common |
| Version | 0.3.0-2~experimental1ubuntu2 |
| Description | extension of GTK+ libraries (common files) |
| Sub Section | Misc |