If .DS_Store was never added to your git repository, simply add it to your .gitignore file.
.gitignore
In your the root directory of your app and simply write
| <?php | |
| // specify your css-files and their order here | |
| $cssFiles = array( | |
| 'normalize.css', 'style.css', 'print.css', 'colorbox.css' | |
| ); | |
| // the file to write the compressed css to | |
| $minFileName = 'minified.css'; | |
| // thats all, just call this file in your browser and it will | |
| // build you a minimized css-file. then just link to this single |