Hacker News: Underlines/comment page boldening by sophira

/* ==UserStyle==
@name           Hacker News: Underlines/comment page boldening
@namespace      theblob.org
@version        1.0.0
@description    Adds underlines to many links that need them, and boldens those that link to a comment page.
@author         Sophie Hamilton (Sophira)
==/UserStyle== */

@-moz-document domain("news.ycombinator.com") {
  /* This userstyle is offered under the CC Zero license:
   * https://creativecommons.org/publicdomain/zero/1.0/
   *
   * To the extent possible under law, Sophie Hamilton has
   * waived all copyright and related or neighboring rights
   * to "Hacker News: Underlines/comment page boldening".
   *
   *   Notes:
   * table.itemlist: pages with lists of links (such as front page),
   *  table.fatitem: item page header,
   *   span.comhead: comment header (any page)
   */

  table.itemlist a:link,
  table.fatitem a:link,
  span.comhead a:link {
    text-decoration: underline !important;
  }

  /* ...but don't underline the toggle on the comment header except on hover,
     because they're already trying to use a visual cue for that; bold it instead */
  span.comhead a.togg {
    text-decoration: none !important;
    font-weight: bold !important;
  }
  span.comhead a.togg:hover {
    text-decoration: underline !important;
  }

  /* 'tr.athing + tr' is used to avoid styling the link itself,
     so that "Ask HN"s and such don't show up bold for no reason.
     If you *want* that, remove the 'tr.athing + tr' parts. */

  table.itemlist tr.athing + tr a:link[href^='item?id='],
  table.fatitem tr.athing + tr a:link[href^='item?id='],
  span.comhead a:link[href^='item?id='] {
    font-weight: bold !important;
  }
}