title: How can I minify css files in different folders so I don't get pathing issues?
body: <p>This is my GruntJS cssmin script.</p>
  
  <pre><code>cssmin: {
    add_banner: {
      options: {
        banner: '/* Minified on &lt;%= grunt.template.today("yyyy-mm-dd hh:MM:ss")%&gt; by GruntJS-cssmin */'
      },
      files: {
        'public/home_assets/css/compressed.min.css': [
          'public/home_assets/css/**/*.css',
          'public/home_assets/vendor/**/*.css'
          ]
      }
    }
  },
  </code></pre>
  
  <p>It works correctly and minify CSS files. However, CSS files under <code>css/vendor/vendorname</code> folder minifies into <code>css</code> folder so their pathing gets messed.</p>
  
  <p>For example, <code>./image.jpg</code> should be <code>./vendor/vendorname/image.jpg</code> otherwise their relativity gets broken.</p>
  
  <p>How can I solve this issue? What kind of tricks can I use?</p>