comment.css 

.indented {
  margin-left: 25px; /* LTR */
}
.comment-unpublished {
  background-color: #fff4f4;
}
.preview .comment {
  background-color: #ffffea;
}

Archivo

drupal-6.x/modules/comment/comment.css
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  1. 

  2. .indented {

  3.   margin-left: 25px; /* LTR */

  4. }

  5. .comment-unpublished {

  6.   background-color: #fff4f4;

  7. }

  8. .preview .comment {

  9.   background-color: #ffffea;

  10. }