diff --git a/public_html/skins/default/images/mimetypes/_css.sh b/public_html/skins/default/images/mimetypes/_css.sh
index d3c7255..dbee5eb 100755
--- a/public_html/skins/default/images/mimetypes/_css.sh
+++ b/public_html/skins/default/images/mimetypes/_css.sh
@@ -1,86 +1,97 @@
 #!/usr/bin/perl
 
 my %aliases = (
     'application_vnd_ms_word' => [
         'application_msword',
+        'application_vnd_openxmlformats_officedocument_wordprocessingml_document',
+        'application_vnd_openxmlformats_officedocument_wordprocessingml_template',
+    ],
+    'application_vnd_ms_excel' => [
+        'application_vnd_openxmlformats_officedocument_spreadsheetml_sheet',
+        'application_vnd_openxmlformats_officedocument_spreadsheetml_template',
+    ],
+    'application_vnd_ms_powerpoint' => [
+        'application_vnd_openxmlformats_officedocument_presentationml_presentation',
+        'application_vnd_openxmlformats_officedocument_presentationml_template',
+        'application_vnd_openxmlformats_officedocument_presentationml_slideshow',
     ],
     'application_pgp_keys' => [
         'application_pkcs7_mime',
     ],
     'application_pgp_signature' => [
         'application_pkcs7_signature',
     ],
     'application_x_archive' => [
         'application_x_ar',
         'application_x_cpio',
     ],
     'application_zip' => [
         'application_x_7z_compressed',
         'application_x_ace',
         'application_x_arc',
         'application_x_arj',
         'application_x_bzip_compressed_tar',
         'application_x_lha',
         'application_x_rar',
         'application_x_tarz',
         'application_x_tzo',
         'application_x_zip',
         'application_x_zoo',
     ],
     'audio_midi' => [
         'audio_prs_sid',
     ],
     'audio_x_wav' => [
         'audio_x_aiff',
     ],
     'image' => [
         'application_vnd_stardivision_draw',
         'application_vnd_sun_xml_draw',
         'application_vnd_sun_xml_draw_template',
     ],
     'pdf' => [
         'application_pdf',
     ],
     'uri_mms' => [
         'uri_mmst',
         'uri_mmsu',
         'uri_pnm',
         'uri_rtspt',
         'uri_rtspu',
     ],
     'text_enriched' => [
         'text_rtf',
     ],
 );
 
 opendir(DIR, '.');
 @FILES = readdir(DIR);
 
 open(FILE, '>style.css');
 
 $x = 0;
 while ($FILES[$x]) {
     my $file = $FILES[$x];
     my $class = $file;
     my $line = '';
 
     if ($file =~ /^\./) {
         $x++;
         next;
     }
 
     $class =~ s/\.png$//;
     $class =~ s/[^a-z0-9_]/_/g;
 
     $line .= ".filelist tbody td.filename." .$class . " span";
 
     for my $alias (@{$aliases{$class}}) {
         $line .= ",\n.filelist tbody td.filename." .$alias . " span";
     }
 
     $line .= " {\n  background: url($file) 0 0 no-repeat;\n";
     $line .= "}\n";
 
     print FILE $line;
     $x++;
 }