libcss-squish-perl software package provides module to compact many CSS files into one big file, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcss-squish-perl
libcss-squish-perl is installed in your system.
Make ensure the libcss-squish-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcss-squish-perl *
You will get with libcss-squish-perl package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Perl |
| Package | libcss-squish-perl |
| Version | 0.09-1 |
| Description | module to compact many CSS files into one big file |
| Sub Section | Perl |