app/assets/stylesheets/spree/backend/shared/_tables.scss in solidus_backend-2.8.6 vs app/assets/stylesheets/spree/backend/shared/_tables.scss in solidus_backend-2.9.0.rc.1

@@ -45,25 +45,25 @@
         }
       }
 
       button[class*='fa-'] {
         color: $link-color;
-        background-color: transparent;
+        background: transparent;
         border: 0 none;
         padding: 0 !important;
 
         &:hover {
-          background-color: transparent;
+          background: transparent;
         }
       }
 
       .fa-envelope-alt, .fa-eye-open {
         color: $link-color;
         padding-left: 0px;
 
         &:hover {
-          color: $color-3;
+          color: $color-dark-light;
         }
       }
 
       .fa-trash:hover, .fa-void:hover, .fa-failure:hover {
         color: theme-color("danger");
@@ -106,11 +106,11 @@
   th:not(.wrap-text), td.actions, td.no-wrap, .state {
     white-space: nowrap;
   }
 
   th a {
-    color: $color-4;
+    color: $color-dark;
   }
 
   tbody {
     tr {
       &.deleted td {
@@ -120,7 +120,12 @@
     }
 
     &.no-border-top tr:first-child td {
       border-top: none;
     }
+  }
+
+  pre {
+    font-size: 100%;
+    margin-bottom: 0;
   }
 }