.file-icon,
.file-general,
.file-pdf,
.file-dwg,
.file-png,
.file-img,
.file-doc,
.file-xls,
.file-txt,
.file-ppt,
.file-zip,
.file-audio,
.file-video,
.file-link
{
  background-image: url(../images/sprite-file-icons.png);
  background-repeat: no-repeat;
  height: -21px;
  line-height: -21px;
  padding-left: 23px;
  overflow: hidden;
}

.file-general { background-position: left 0px; }
.file-pdf     { background-position: left -21px; }
.file-dwg     { background-position: left -42px; }
.file-png     { background-position: left -63px; }
.file-img     { background-position: left -84px; }
.file-doc     { background-position: left -105px; }
.file-xls     { background-position: left -126px; }
.file-txt     { background-position: left -210px; }
.file-ppt     { background-position: left -231px; }
.file-zip     { background-position: left -252px; }
.file-audio   { background-position: left -273px; }
.file-video   { background-position: left -294px; }
.file-link    { background-position: left -315px; }