discourse/app/assets/stylesheets/common/base/_topic-list.scss

.list-controls {
  #navigation-bar {
    .has-icon span:before {
      margin-right: 4px;
      font: 15px/0.9 "FontAwesome";
    }
    .has-icon .starred:before {
      content: "\f005";
    }
    .has-icon .unread:before {
      content: "\f02e";
    }
  }
}

#topic-list {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-top: 1px solid scale-color-diff();

  > tbody > tr {
    &:nth-child(even) {
        background-color: darken($secondary, 3%);
    }
    &.archived a {
      opacity: 0.6;
    }
    &.has-excerpt .star {
      vertical-align: top;
      margin-top: 2px;
    }
    &.category-description {
      td {
        color: $danger;
      }
    }
    &.highlighted {
      background-color: scale-color($tertiary, $lightness: 85%);
    }
  }

  th,
  td {
    line-height: 1.25;
    text-align: left;
    vertical-align: middle;

  }
  th {
    color: scale-color($primary, $lightness: 50%);
    font-weight: normal;
    font-size: 14px;
    button i.fa {color: scale-color($primary, $lightness: 50%);}

  }
  td {
    color: scale-color($primary, $lightness: 50%);
    font-size: 14px;
  }

  .main-link {
    font-size: 16px;

    i.score {
      color: $success;
      cursor: pointer;
    }
  }

  .topic-excerpt {
    font-size: 13px;
    margin-top: 8px;
    color: scale-color($primary, $lightness: 50%);
    word-wrap: break-word;
    line-height: 1.4;
  }
  .topic-statuses:empty {
    display: none;
  }
  .topic-status {
    margin-right: 4px;
    padding: 0;
    font-size: 15px;
    &:last-of-type {
      margin-right: 0;
    }
  }

  .num {
    text-align: center;
    a:not(.badge-posts) {
      color: inherit;
    }
    a.badge-posts {
      font-weight: bold;
    }
  }

}


#topic-list.categories {

td.category {
  vertical-align: top;
  padding-top: 15px;
  padding-bottom: 15px;
  border-left: 6px solid;
}
td.stats {
  .unit {
    font-size: 11px;
  }
}

  table.categoryStats {
    td {
      padding: 2px;
      vertical-align: bottom;
      line-height: 24px;
      &.value { text-align: right; font-size: 20px; }
      &.unit  { text-align: left; }
    }
  }

}

.category-list-item {
  margin-bottom: 10px;
  #topic-list tbody tr:nth-child(even) {
    background-color: darken($secondary, 3%);
  }
  th .badge-category {
    float: left;
    margin: 1px 4px 0 0;
  }
  .posters {
    float: left;
  }
  > footer {
    border: 1px solid scale-color-diff();
    border-top: 0;
    padding: 7px 10px;
    background-color: scale-color-diff();
    figure {
      float: left;
      margin: 3px 7px 0 0;
      color: scale-color($primary, $lightness: 10%);
      font-weight: bold;
      font-size: 12px;
    }
    figcaption {
      display: inline;
      font-weight: normal;
    }
    .btn {
      float: right;
      margin-left: 7px;
    }
  }
}

.loading #topic-list {
  border: 0;
  @include box-shadow(none);
  tr {
    background-color: transparent;
  }
}


.topics-loading {
  width: 200px;
  margin: 0 auto;
  padding: 10px 0 10px 43px;
  color: $secondary;
  font-size: 18px;
  line-height: 25px;
  background: {
    color: #000;
    image: image-url("spinner_96_w.gif");
    repeat: no-repeat;
    position: 10px 50%;
    size: 25px;
  };
  @include border-radius-all(12px);
}

.list-controls {
  .home {
    background-color: scale-color-diff();
    color: $primary;
  }
  .badge-category {
    padding: 4px 10px;
    display: inline-block;
    line-height: 24px;
    float: left;
  }
  .category-dropdown-button {
    border-left: 1px solid rgba(0,0,0,0.15);
    font-size: 16px;
    width: 10px;
    text-align: center;

    &:hover {
      opacity: 0.8;
    }
  }
clear: both;
}

#list-area {
  margin-bottom: 300px;
  .empty-topic-list {
    padding: 10px;
  }
  .unseen {
    background-color: transparent;
    padding: 0;
    border: 0;
    color: scale-color($danger, $lightness: 20%);
    font-size: 13px;
    cursor: default;
  }
}

#topic-list {
  .alert {
    margin-bottom: 0;
    font-size: 14px;
  }
  .spinner {
    margin-top: 40px;
  }
}

span.posted {
  display: inline-block;
  text-indent: -9999em;
  width: 15px;
  height: 15px;
  background: {
    image: image-url("posted.png");
  }
}

ol.category-breadcrumb {
  display: block;
  float: left;
  list-style: none;
  margin: 0 10px 0 0;
  padding: 0;

  li {
    float: left;
    margin-right: 5px;
  }
}

.list-controls .category-dropdown-menu {
  overflow-x: hidden;
  overflow-y: auto;
  position: absolute;
  border: 1px solid scale-color-diff();
  background-color: $secondary;
  z-index: 100;

  a.badge-category {
    font-size: 13px;
    font-weight: bold;
    padding: 4px 0;
    float: none;
    line-height: 19px;
    text-transform: none;
    width: 100%;
    min-width: 102px;
    text-align: center;
    margin-right: 20px;
    margin-bottom: 7px;
  }
}

.fa-thumb-tack.unpinned {
  @include fa-icon-rotate(315deg, 1);
  color: $primary;
}

.topic-statuses .fa {
  padding-right: 3px;
}