CSSMin example

cssminex

    cssmin: {
      build: {
        src: ['src/css/boilerplate_top.css', 'src/css/ui/jquery.ui.base.css', 'src/css/ui/jquery.ui.theme.css', , 'src/css/ui/jquery.ui.slider.css', 'src/css/ui/jquery.ui.core.css', 'src/css/jquery.jscrollpane.css', 'src/css/screen.css', 'src/css/slider.css', 'src/css/boilerplate_bottom.css'],
        dest: 'build/css/main.css'
      }   
    },
min : {
      build: {
        src: ['src/js/jquery.js', 'src/js/plugins.js'],
        dest: 'build/js/all.js'
      },
}