style.css

@-moz-document url-prefix("https://news.ycombinator.com")
{
  html,
  body {
    background: #333;
    width: 100%;
  }

  body {
    margin: 0;
  }

  a,
  a u,
  p a,
  a:link {
    color: #4f63ff;

    &:hover {
      color: #2a43ff;
      cursor: pointer;
    }
  }

  a:visited {
    color: #ffc0ee;

    &:hover {
      color: #ffbaec;
      cursor: pointer;
    }
  }

  .comhead a.hnuser {
    color: #ffec19 !important;
  }

  table#hnmain {
    tr:first-child a {
      color: #eee;

      &:hover {
        color: #fff;
        text-decoration: underline;
        cursor: pointer;
      }
    }

    & > tbody:first-child > tr:last-child td {
      padding-top: 16px;

      td {
        padding-top: 4px;
      }

      center {
        padding: 16px 0;
      }
    }
  }

  input,
  textarea {
    margin-top: 16px;
    padding: 4px 8px;
    background: #ccc;
    border: 2px solid #333;

    &:hover,
    &:active {
      background: #fff;
      cursor: pointer;
    }
  }

  .yclinks + br {
    display: none;
  }

  span.age a {
    color: #7eff98 !important;

    &:hover {
      color: #45ff6b !important;
    }
  }

  .yclinks a {
    color: #aaa !important;

    &:hover {
      color: #fff !important;
      text-decoration: underline;
    }
  }

  td.title .titleline a,
  a.morelink {
    color: #ccc;

    &:hover {
      color: #fff;
      text-decoration: underline;
    }
  }

  .hnmore a:link {
    color: #ff5bd3;

    &:hover {
      color: #ff7ddc;
      cursor: pointer;
    }
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/user")
{
  form {
    padding-left: 32px;
  }

  td {
    padding: 8px 0;

    &[valign="top"] {
      padding-right: 16px;
      text-align: right;
    }
  }

  input,
  textarea {
    margin: 0;
  }

  td i {
    color: #eee;
  }

  table + br + input {
    margin-left: 110px;
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/submit")
{
  table#hnmain {
    tr {
      &:not(:first-child) td {
        padding: 8px !important;

        &:first-child {
          color: #fff;
        }

        input {
          margin: 0;
        }
      }

      &:last-child td {
        color: #eee;
      }
    }
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/front")
{
  table#hnmain > tbody:first-child > tr td div {
    color: #fff;
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/item")
{
  table#hnmain {
    background: #333;
    width: 100%;
  }

  span.pagetop a {
    color: #fff !important;
  }

  span.commtext,
  p {
    color: #fff !important;
  }

  .reply p a {
    color: #999;
  }

  tr.athing:not(:first-child) > td {
    padding-top: 16px;
  }

  td.title {
    span.titleline a {
      color: #999 !important;

      &:hover {
        color: #fff !important;
      }
    }

    a.morelink {
      color: #ccc !important;

      &:hover {
        color: #fff !important;
        cursor: pointer;
      }
    }
  }

  table#hnmain {
    img {
      margin: 0 8px;
    }

    & > tbody:first-child > tr:first-child > td:first-child {
      padding: 8px 16px;
    }
  }

  table + br,
  table + br + br {
    display: none;
  }

  table.fatitem .toptext {
    &,
    p {
      color: #eee !important;
      line-height: 1.5;
    }
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/x")
{
  table {
    background: #ff6600;
    color: #000 !important;

    tbody tr {
      &:first-child td {
        padding: 4px 0;
        background: #ff6600;
      }

      &:last-child td {
        padding: 4px 0;
      }

      &:first-child td:first-child {
        padding-left: 8px;
      }

      &:first-child td:first-child img {
        margin-right: 8px;
      }

      &:first-child td {
        padding-right: 8px;
      }
    }
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/")
{
  html,
  body,
  table#hnmain {
    background: #333;
    width: 100%;
  }

  body {
    margin: 0;
  }

  table#hnmain > tbody:first-child > tr:first-child > td:first-child {
    padding: 8px 16px;
  }

  table#hnmain img {
    margin: 0 8px;
  }

  td.subtext {
    padding-bottom: 16px;
  }

  tr.athing:first-child td {
    padding-top: 8px;
  }

  tr.athing td:first-child {
    padding-left: 16px;
  }

  td.title {
    padding-bottom: 9px;
  }

  td.votelinks {
    padding: 0 4px;
  }
}

@-moz-document url-prefix("https://news.ycombinator.com/newcomments")
{
  .comment .commtext {
    color: #ccc;
  }

  tr.athing:not(:last-child) td {
    padding-bottom: 16px;
  }

  .comment .commtext.c00 a {
    color: #6969ff;

    &:hover {
      color: #4c4cff;
      cursor: pointer;
    }
  }
}