/* File type icons */
a.icon {
  display:inline-block;
  padding-left:1.2em;
  line-height:1em;
  background-size:1em;
}
a.icon[href$='.pdf'] {
  background:transparent url(images/pdf.png) center left no-repeat;
/*   content: "<span class='fa fa-file-pdf-o'></span>"; */
}
a.icon[href$='.odt'] {
  background:transparent url(images/odt.png) center left no-repeat;
}
a.icon[href$='.odp'] {
  background:transparent url(images/odp.png) center left no-repeat;
}
a.icon[href$='.ods'] {
  background:transparent url(images/ods.png) center left no-repeat;
}
a.icon[href$='.ogg'] {
  background:transparent url(images/ogg.png) center left no-repeat;
}
a.icon[href$='.mp3'] {
  background:transparent url(images/mp3.png) center left no-repeat;
}
a.icon[href$='.zip'], a.icon[href$='.tar.gz'] {
  background:transparent url(images/zip.png) center left no-repeat;
}
a.icon[href$='.wav'] {
  background:transparent url(images/wav.png) center left no-repeat;
}
a.icon[href$='.praat'], a.icon[href$='.proc'] {
  background:transparent url(images/praat.png) center left no-repeat;
}
a.icon[href$='.pl'] {
  background:transparent url(images/perl.png) center left no-repeat;
}
a.icon[href$='.pde'] {
  background:transparent url(images/processing.svg) center left no-repeat;
}
a.icon[href$='.R'] {
  background:transparent url(images/r.png) center left no-repeat;
}