diff --git a/core/modules/file/css/file.formatter.generic.css b/core/modules/file/css/file.formatter.generic.css
new file mode 100644
index 0000000..73498e3
--- /dev/null
+++ b/core/modules/file/css/file.formatter.generic.css
@@ -0,0 +1,64 @@
+/**
+ * @file
+ * Default style for file module
+ */
+
+/**
+ * File icons
+ */
+.file {
+  padding-left: 20px; /* LTR */
+  display: inline-block;
+  min-height: 16px;
+  background-repeat: no-repeat;
+  background-position: left center; /* LTR */
+}
+
+[dir="rtl"] .file {
+  padding-left: inherit;
+  padding-right: 20px;
+  background-position: right center;
+}
+
+.file.package-x-generic {
+  background-image: url(../icons/package-x-generic.png);
+}
+.file.office-spreadsheet {
+  background-image: url(../icons/x-office-spreadsheet.png);
+}
+.file.office-document {
+  background-image: url(../icons/x-office-document.png);
+}
+.file.office-presentation {
+  background-image: url(../icons/x-office-presentation.png);
+}
+.file.text-x-script {
+  background-image: url(../icons/text-x-script.png);
+}
+.file.text-html {
+  background-image: url(../icons/text-html.png);
+}
+.file.text-plain {
+  background-image: url(../icons/text-plain.png);
+}
+.file.application-pdf {
+  background-image: url(../icons/application-pdf.png);
+}
+.file.application-octet-stream {
+  background-image: url(../icons/application-octet-stream.png);
+}
+.file.application-x-executable {
+  background-image: url(../icons/application-x-executable.png);
+}
+.file.audio {
+  background-image: url(../icons/audio-x-generic.png);
+}
+.file.video {
+  background-image: url(../icons/video-x-generic.png);
+}
+.file.text {
+  background-image: url(../icons/text-x-generic.png);
+}
+.file.image {
+  background-image: url(../icons/image-x-generic.png);
+}