taxonomy-term.css in Thunder 6.0.x

/* Unpublished term styles. */
.term--unpublished {
  padding: 20px 15px 0;
  background-color: #fff4f4;
}
.term--unpublished .comment-text .comment-arrow {
  border-left: 1px solid #fff4f4;
  border-right: 1px solid #fff4f4;
}