I have one too, font sizes increased + dark mode:

news.ycombinator.com##body:style(background: #121212;)

news.ycombinator.com##td:style(color: #d0d0d0 !important; line-height: 1.6; font-family: Open Sans, sans-serif !important;)

news.ycombinator.com##td.title:style(font-size:20px !important; font-weight: bold; color: #4e8cbe !important; font-family: system-ui !important; )

news.ycombinator.com##td.subtext:style(font-size:15px !important; color: #a0a0a0; font-family: system-ui !important;)

news.ycombinator.com##table:style(background-color: #1e1e1e; padding: 15px; border-radius: 6px;)

news.ycombinator.com##div.toptext:style(color: #d0d0d0 !important; font-family: system-ui !important;)

news.ycombinator.com##div.commtext:style(color: #d0d0d0 !important; font-size: 1.5em; font-family: system-ui !important;)

news.ycombinator.com##span.c00:style(color: #d0d0d0 !important)

news.ycombinator.com##a:style(color: #4e8cbe !important; text-decoration: none;)

news.ycombinator.com##a:hover:style(color: #6aa0cc !important; text-decoration: underline;)

news.ycombinator.com##span#karma:style(color: #6aa0cc !important)

news.ycombinator.com##span.pagetop:style(color: #d0d0d0 !important)

news.ycombinator.com##textarea:style(color: #d0d0d0 !important; background: #252525; border: 1px solid #333; padding: 5px; border-radius: 3px;)

news.ycombinator.com###hnmain:style(background: #1e1e1e !important; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3); border-radius: 6px;)

news.ycombinator.com##div.votearrow:style(width: 18px !important; height:18px !important; background-size: 18px !important;)

Here are the uBlock Origin filters I'm using:

  # background
  news.ycombinator.com###hnmain:style(background-color: transparent !important;)
  # top bar
  news.ycombinator.com###hnmain > tbody > tr:first-child > td:style(background-color: transparent !important;)
  # logo
  news.ycombinator.com###hnmain > tbody > tr:first-child tbody > tr:first-child > td:first-child:style(opacity: 0 !important;)
  # footer divider
  news.ycombinator.com###hnmain td[bgcolor="#ff6600"]:style(background-color: transparent !important)