[class^="file-"],
[class*=" file-"] {
  display: inline-block;
  line-height: 14px;
  vertical-align: middle;
  background-repeat: no-repeat;

}
@import "compass/utilities/sprites";
$file-sprite-dimensions:true;
$file-layout: Smart;  
@import "file/*.png";
@include all-file-sprites;