diff --git a/core/modules/file/css/file.formatter.generic.css b/core/modules/file/css/file.formatter.generic.css
index 8997487..215128f 100644
--- a/core/modules/file/css/file.formatter.generic.css
+++ b/core/modules/file/css/file.formatter.generic.css
@@ -13,55 +13,53 @@
   background-repeat: no-repeat;
   background-position: left center; /* LTR */
 }
-
 [dir="rtl"] .file {
   padding-left: inherit;
   padding-right: 20px;
   background-position: right center;
 }
-
-.file.file--general {
+.file--general {
   background-image: url(../icons/application-octet-stream.png);
 }
-.file.file--package-x-generic {
+.file--package-x-generic {
   background-image: url(../icons/package-x-generic.png);
 }
-.file.file--x-office-spreadsheet {
+.file--x-office-spreadsheet {
   background-image: url(../icons/x-office-spreadsheet.png);
 }
-.file.file--x-office-document {
+.file--x-office-document {
   background-image: url(../icons/x-office-document.png);
 }
-.file.file--x-office-presentation {
+.file--x-office-presentation {
   background-image: url(../icons/x-office-presentation.png);
 }
-.file.file--text-x-script {
+.file--text-x-script {
   background-image: url(../icons/text-x-script.png);
 }
-.file.file--text-html {
+.file--text-html {
   background-image: url(../icons/text-html.png);
 }
-.file.file--text-plain {
+.file--text-plain {
   background-image: url(../icons/text-plain.png);
 }
-.file.file--application-pdf {
+.file--application-pdf {
   background-image: url(../icons/application-pdf.png);
 }
-.file.file--application-octet-stream {
+.file--application-octet-stream {
   background-image: url(../icons/application-octet-stream.png);
 }
-.file.file--application-x-executable {
+.file--application-x-executable {
   background-image: url(../icons/application-x-executable.png);
 }
-.file.file--audio {
+.file--audio {
   background-image: url(../icons/audio-x-generic.png);
 }
-.file.file--video {
+.file--video {
   background-image: url(../icons/video-x-generic.png);
 }
-.file.file--text {
+.file--text {
   background-image: url(../icons/text-x-generic.png);
 }
-.file.file--image {
+.file--image {
   background-image: url(../icons/image-x-generic.png);
 }