adding highlight back to topic-list

app/assets/stylesheets/common/base/_topic-list.scss

@@ -29,9 +29,6 @@
       vertical-align: top;
       margin-top: 2px;
     }
-    &.highlighted {
-      background-color: scale-color($tertiary, $lightness: 85%);
-    }
   }
 
   th,

app/assets/stylesheets/common/base/discourse.scss

@@ -185,3 +185,13 @@ body {
   background: $success;
   &.badge-notification[href] {color: $secondary;}
 }
+
+.fade {
+  opacity: 0;
+  -webkit-transition: opacity 0.15s linear;
+  transition: opacity 0.15s linear;
+}
+
+.fade.in {
+  opacity: 1;
+}

app/assets/stylesheets/desktop/topic-list.scss

@@ -68,6 +68,9 @@
     &:nth-child(odd) {
         background-color: $secondary;
     }
+    &.highlighted {
+      background-color: scale-color($tertiary, $lightness: 85%);
+    }
   }
   button.bulk-select {
     padding: 0;

app/assets/stylesheets/desktop/topic-post.scss

@@ -879,16 +879,6 @@ $topic-avatar-width: 45px;
   clear: both;
 }
 
-.fade {
-  opacity: 0;
-  -webkit-transition: opacity 0.15s linear;
-  transition: opacity 0.15s linear;
-}
-
-.fade.in {
-  opacity: 1;
-}
-
 #selected-posts {
 
   padding-left: 20px;

app/assets/stylesheets/mobile/topic-list.scss

@@ -36,6 +36,9 @@
     &:nth-child(even) {
       background-color: $secondary;
       }
+    &.highlighted {
+      background-color: scale-color($tertiary, $lightness: 85%);
+    }
     }
 
   th,