https://i.imgur.com/kN6itL0.png -- My fork of "Jellybeans Hacker News (w/ unicode arrows)"

hn-jellybeans-style.css

@-moz-document domain("news.ycombinator.com") {
    * { font-family: sans-serif !important; }

    body { margin: 0;  font-size: 16pt !important; }

    .title { font-size: 20pt !important; }
    .pagetop, .comment, .comhead, .subtext, td, p,
    .pagetop *, .comment *, .comhead *, .subtext * { font-size: 14pt !important; }

    font { color:inherit !important; font-family:inherit !important; font-size:inherit !important; text-shadow: black 0px 1px 3px !important; }

    center > a:first-child { padding:2px 5px; position: relative; top: 2px; }
    center > a:nth-child(3) { padding:3px 5px ; }
    center > a:first-child:before {content:"▲"; font-family: monospace; font-weight:bold; }
    center > a:nth-child(3):before {content:"▼"; font-family: monospace; font-weight:bold; }
    a img[src$="grayarrow.gif"], .votearrow { display: none; }

    body, body > center > table{ width: 99% !important; }

    .title { text-shadow: black 0px 1px 3px !important; }
    .default a, .title a:link, .comment a:link{ text-shadow: black 0px 1px 3px !important; }
    .title a,  .comment a,
    .comhead, .yclinks a, .default, .subtext a, .subtext span,
    .default .comhead a, .subtext a { text-shadow: black 0px 1px 3px !important; }



    ::-moz-selection { background:#adadad; }

    center > a:first-child:before,
    center > a:nth-child(3):before,
    .title, .title a:link, 
    .comment, .comment a:link { color:#eee8d5   !important; }

    .comhead, .title a:visited,  .comment a:visited { color:#636363 !important; }
    .comhead a { color:#268bd2 !important;  }

    .subtext > span[id] { color: #99AD6A !important; }
    .subtext > a { color: #597BC5 !important; }

    .default a[href^="reply"], 
    .yclinks a { color: #CF6A4C !important; }

    body > center > table > tbody > tr:first-child > td{ background-color:#CF6A4C !important; }

    body, body > center > table{ background-color: #151515 !important; }

    /* more space before the domain */
    body > center > table > tbody > tr:nth-child(3) > td > table:nth-child(1) > tbody > tr:nth-child(1) > td.title > a { margin-right: 5px; }

    /* remove the header */
    body > center > table > tbody > tr:nth-child(1) { display: none; }

    /* remove the comment box */
    body > center > table > tbody > tr:nth-child(3) > td > table:nth-child(1) > tbody > tr:nth-child(4) { display: none; }

    /* remove comment box on permalinks */
    form[action="/r"] {
        display: none;
    }

    /* remove empty space */
    body > center > table > tbody > tr:nth-child(3) > td > br { display: none; }

    /* remove 'reply' link */
    span.comment > p:last-child { display: none; }
    td.default > p:last-child { display: none; }

    /* make toggle buttons larger */
    span.toggle_button { font-size: 17px !important; }

    /* nice quotation blocks */
    pre {
      border-left: 3px solid #008000;
      max-width: 10000px !important;
      margin-top: 0px !important;
    }
}