diff --git a/public/sass/colors.scss b/public/sass/colors.scss
index f77f972..a5bcc5f 100644
--- a/public/sass/colors.scss
+++ b/public/sass/colors.scss
@@ -26,9 +26,10 @@
 $kwic-match-color:  $dark-grey;
 $kwic-match-shadow: $light-shadow;
 
-$kwic-highlight-0: #c1002b;
-$kwic-highlight-1: $dark-blue; // #009ee0;
-$kwic-highlight-2: #f29400;
+$kwic-highlight-1: #c1002b;
+$kwic-highlight-2: $dark-blue;   // #009ee0;
+$kwic-highlight-3: $dark-orange; // #f29400;
+$kwic-highlight-4: $light-green;
 
 $pagination-bg: $light-grey;
 $pagination-border: $middle-grey;
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 {