@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain("reddit.com") {
    .comment .child {
      border-left: 1px dashed #FF0000 !important;
    }
    .comment .child .child {
      border-left: 1px dashed #FFFFFF !important;
    }
    .comment .child .child .child {
      border-left: 1px dashed #FF0000 !important;
    }
    .comment .child .child .child .child {
      border-left: 1px dashed #FFFFFF !important;
    }
    .comment .child .child .child .child .child {
      border-left: 1px dashed #FF0000 !important;
    }
    .comment .child .child .child .child .child .child {
      border-left: 1px dashed #FFFFFF !important;
    }
    .comment .child .child .child .child .child .child .child {
      border-left: 1px dashed #FF0000 !important;
    }
    .comment .child .child .child .child .child .child .child .child {
      border-left: 1px dashed #FFFFFF !important;
    }
    .comment .child .child .child .child .child .child .child .child .child {
      border-left: 1px dashed #FF0000 !important;
    }
    .comment .child .child .child .child .child .child .child .child .child .child {
      border-left: 1px dashed #FFFFFF !important;
    }
}