.pdf, .txt, .doc, .ppt, .xls{
width:20px;
padding:0 20px 0 0;
}
.pdf{
background: url(images/file-ext/pdf.png) no-repeat right;
}
.txt{
background: url(images/file-ext/txt.png) no-repeat right;
}
.doc{
background: url(images/file-ext/doc.png) no-repeat right;
}
.ppt{
background: url(images/file-ext/ppt.png) no-repeat right;
}
.xls{
background: url(images/file-ext/xls.png) no-repeat right;
}
.zip{
width:23px;
padding:0 23px 0 0;
background: url(images/file-ext/zip.png) no-repeat right;
}
.amazon{
width:18px;
padding:0 18px 0 0;
background: url(images/file-ext/amazon.gif) no-repeat right;
}