Support VC references in VC builder to fix #62

Change-Id: Iec84c12ade2f64e8bbbd3d42b9e52788a0fba3fe
diff --git a/dev/scss/header/vc.scss b/dev/scss/header/vc.scss
index b7b97cd..3b3fd50 100644
--- a/dev/scss/header/vc.scss
+++ b/dev/scss/header/vc.scss
@@ -148,6 +148,8 @@
     > span.key,
     > span.value {
       font-weight: bold;
+    }
+    > span.value {
       &[data-type=regex] {
         font-style: italic;
         &::after,
@@ -157,6 +159,10 @@
       }
     }
 
+    > span.key.fixed {
+      color: $light-green;
+    }
+
     /**
      * All operators on docs
      */
@@ -193,7 +199,7 @@
     }
   }
 
-  .doc > span {
+  .doc > span:not(.fixed) {
     cursor: pointer;
     &:hover {
       // color: $dark-green;