userstyles/css/tildes-compact/tildes-compact.user.css

/* ==UserStyle==
@name        Tildes Compact
@namespace   tildes.net
@version     1.0.2
@author      Bauke
@description Removes some elements and changes some sizes to make the Tildes.net layout a little more compact.
@homepageURL https://gitlab.com/Bauke/styles
@supportURL  https://gitlab.com/Bauke/styles/issues
@license     MIT
==/UserStyle== */
@-moz-document domain('tildes.net') {
  .topic-listing .topic-text-excerpt,.post-listing .topic-text-excerpt {
    display: none !important
  }

  .topic-listing .topic-metadata,.post-listing .topic-metadata {
    display: inline-flex !important;
    height: 1.3em !important;
    max-width: 200px !important;
    overflow: hidden !important;
    white-space: nowrap !important
  }

  .topic-listing .topic-metadata .topic-tags li,.post-listing .topic-metadata .topic-tags li {
    display: none !important
  }

  .topic-listing .topic-metadata .topic-tags li:nth-child(-n+3),.post-listing .topic-metadata .topic-tags li:nth-child(-n+3) {
    display: inherit !important
  }

  .topic-listing .topic-info,.post-listing .topic-info {
    width: 500px !important
  }

  .topic-listing .topic-info .user-label,.post-listing .topic-info .user-label {
    display: none !important
  }

  .post-listing .post-buttons,.post-listing .comment-votes {
    display: none !important
  }
}