diff --git a/public/sass/kwic-4.0.scss b/public/sass/kwic-4.0.scss
index 8a16289..ee4c3af 100644
--- a/public/sass/kwic-4.0.scss
+++ b/public/sass/kwic-4.0.scss
@@ -118,9 +118,10 @@
   padding-bottom: 6px;
 }
 
-.class-0 { border-color: $kwic-highlight-0; }
 .class-1 { border-color: $kwic-highlight-1; }
 .class-2 { border-color: $kwic-highlight-2; }
+.class-3 { border-color: $kwic-highlight-3; }
+.class-4 { border-color: $kwic-highlight-4; }
 
 
 span.more:before {