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

/* ==UserStyle==
@name        Tildes Compact
@namespace   tildes.net
@version     1.0.5
@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;
}

.post-listing>li {
  margin-bottom: unset !important;
}
}