Awesome
vscode-csso 
Minify CSS with CSSO.
Install
Execute Extensions: Install Extensions command from Command Palette (<kbd>Cmd</kbd> <kbd>Shift</kbd> <kbd>P</kbd>) and search by csso.
Also you can install this extension locally by putting symbolic link from ~/.vscode/extensions to ~/path/to/this/repo like below.
$ ln -s ~/workspace/github.com/1000ch/vscode-csso ~/.vscode/extensions/1000ch.csso-local
Usage
Open the Command Palette (<kbd>Cmd</kbd> <kbd>Shift</kbd> <kbd>P</kbd>) and search following commands.
- csso: Minify current CSS file: to minify current CSS file
- csso: Minify selected part of CSS: to minify selected part of CSS
You can also execute these commands from context menu of Explorer or Editor.
Config
restructure
true as default. If you want to disable, set false.