roundcubemail-plugins-kolab/plugins/kolab_addressbook/skins/classic/kolab_addressbook.css

#directorylist li.addressbook.readonly
{
  /* don't use 'background' to not reset background color */
  background-image: url(kolab_folders.png);
  background-position: 5px 0px;
  background-repeat: no-repeat;
}

#directorylist li.addressbook.shared
{
  background-image: url(kolab_folders.png);
  background-position: 5px -54px;
  background-repeat: no-repeat;
}

#directorylist li.addressbook.shared.readonly
{
  background-image: url(kolab_folders.png);
  background-position: 5px -72px;
  background-repeat: no-repeat;
}

#directorylist li.addressbook.other
{
  background-image: url(kolab_folders.png);
  background-position: 5px -18px;
  background-repeat: no-repeat;
}

#directorylist li.addressbook.other.readonly
{
  background-image: url(kolab_folders.png);
  background-position: 5px -36px;
  background-repeat: no-repeat;
}