Add generic css class.

app/assets/javascripts/repo/components/repo_file.vue

@@ -65,7 +65,7 @@ export default RepoFile;
 <template>
 <tr class="file" v-if="canShowFile" :class="activeFileClass" @click.prevent="linkClicked(file)">
   <td>
-    <i class="fa fa-fw" :class="fileIcon" :style="fileIndentation" aria-label="file icon"></i>
+    <i class="fa fa-fw file-icon" :class="fileIcon" :style="fileIndentation" aria-label="file icon"></i>
     <a :href="file.url" class="repo-file-name" :title="file.url">{{file.name}}</a>
   </td>
 

app/assets/stylesheets/pages/repo.scss

@@ -156,7 +156,7 @@
           color: $gray-darkest;
         }
 
-        i.fa.fa-circle {
+        .unsaved-icon {
           color: $brand-success;
         }
 
@@ -272,7 +272,7 @@
         }
       }
 
-      .fa {
+      .file-icon {
         margin-right: 5px;
       }