img.gd_pdf {background-image: url('../image/catalog/file_icons/pdf_icon.png');}
img.gd_ppt {background-image: url('../image/catalog/file_icons/ppt_icon.png');}
img.gd_pptx {background-image: url('../image/catalog/file_icons/pptx_icon.png');}
img.gd_doc {background-image: url('../image/catalog/file_icons/doc_icon.png');}
img.gd_docx {background-image: url('../image/catalog/file_icons/docx_icon.png');}
img.gd_xls {background-image: url('../image/catalog/file_icons/xls_icon.png');}
img.gd_xlsx {background-image: url('../image/catalog/file_icons/xlsx_icon.png');}
img.gd_mp3 {background-image: url('../image//catalog/file_icons/mp3_icon.png');}
img.gd_mp4 {background-image: url('../image//catalog/file_icons/mp4_icon.png');}