a[type^="text/"]::before,
a[type^="application/"]::before {
  background-image: url('../assets/blank-file.png') !important;
  background-size: 24px !important;
}

a[type="text/plain"]::before {
  background-image: url('../assets/txt-text-file-extension-symbol.png') !important;
}

a[type="application/pdf"]::before {
  background-image: url('../assets/pdf-file-format-symbol.png') !important;
}

a[type="application/msword"]::before,
a[type="application/vnd.openxmlformats-officedocument.wordprocessingml.document"]::before {
  background-image: url('../assets/doc-file.png') !important;
}

a[type="application/vnd.ms-excel"]::before,
a[type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"]::before {
  background-image: url('../assets/xlsx-file.png') !important;
}