csstidy software package provides CSS parser and optimiser, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install csstidy
csstidy is installed in your system.
Make ensure the csstidy package were installed using the commands given below,
$ sudo dpkg-query -l | grep csstidy *
You will get with csstidy package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | csstidy |
| Version | 1.4-3 |
| Description | CSS parser and optimiser |
| Sub Section | Utils |