-td.Ascii {background: #EFD} /* ascii */
-td.Di {background: #FFD} /* rfc-1345 digraph */
-td.DiProp {background: #FED} /* proposed digraph */
-td.DiNone {background: #FDD} /* other unicode */
-td.Reserved {background: #BBB} /* impossible */
+td.di-b {background: #FDD} /* bmp */
+td.di-d {background: #FFD} /* rfc-1345 digraph */
+td.di-prop {background: #FED} /* proposed digraph */
+td.di-a {background: #EFD} /* ascii */
+td.di-rare {background: #EEE} /* disfavoured */
+td.di-invalid {background: #BBB} /* impossible */