discourse/app/assets/stylesheets/common/base/search-menu.scss

.search-menu {
  .search-input {
    position: relative;
    padding: 0.5em 3px;
  }

  .search-context .show-help {
    float: right;
  }

  .heading {
    padding: 5px 0 5px 5px;
    .filter {
      padding: 0 5px;
    }
  }

  input[type="text"] {
    box-sizing: border-box;
    width: calc(100% - 6px);
    height: 32px;
  }

  .search-context {
    padding: 0 5px;

    label {
      margin-bottom: 0;
    }
  }

  .search-context + .results {
    margin-top: 5px;
  }

  .results {
    display: flex;
    flex-direction: row;

    .list {
      min-width: 100px;

      .item {
        .blurb {
          // https://css-tricks.com/snippets/css/prevent-long-urls-from-breaking-out-of-container/
          overflow-wrap: break-word;
          word-wrap: break-word;
          -ms-word-break: break-all;
          word-break: break-all;
          word-break: break-word;
          -ms-hyphens: auto;
          -moz-hyphens: auto;
          -webkit-hyphens: auto;
          hyphens: auto;
          margin-top: 0.25em;
        }
      }
    }

    .search-result-topic {
      .second-line {
        display: flex;
        flex-wrap: wrap;
        align-items: center;

        .discourse-tags {
          flex-wrap: wrap;
          display: contents;
        }
      }

      a.widget-link {
        color: var(--tertiary);
      }
    }

    .main-results {
      display: flex;
      flex: 1 1 auto;
      .topic-statuses {
        color: var(--primary-medium);
      }
    }

    .main-results + .secondary-results {
      border-left: 1px solid var(--primary-low);
      margin-left: 1em;
      padding-left: 1em;
      max-width: 33%;
    }

    .secondary-results {
      display: flex;
      flex-direction: column;
      flex: 1 1 auto;

      .separator {
        margin-bottom: 1em;
        margin-top: 1em;
        height: 1px;
        background: var(--primary-low);
      }

      .search-result-tag {
        .discourse-tag {
          font-size: $font-down-1;
        }
      }

      .search-result-category {
        .widget-link {
          margin-bottom: 0;
        }
      }

      .search-result-group {
        .search-link {
          color: var(--primary-high);

          &:hover {
            color: var(--primary);
          }
        }

        .group-result {
          display: flex;
          align-items: center;

          .d-icon,
          .avatar-flair {
            min-width: 25px;
            margin-right: 0.5em;

            .d-icon {
              margin-right: 0;
            }
          }

          .avatar-flair-image {
            background-repeat: no-repeat;
            background-size: 100% 100%;
            min-height: 25px;
          }

          .group-names {
            display: flex;
            flex-direction: column;
            overflow: auto;
            line-height: $line-height-medium;

            &:hover {
              .name,
              .slug {
                color: var(--primary-high);
              }
            }

            .name,
            .slug {
              @include ellipsis;
            }

            .name {
              font-weight: 700;
            }

            .slug {
              font-size: $font-down-1;
              color: var(--primary-high);
            }
          }
        }
      }

      .search-result-category,
      .search-result-user,
      .search-result-group,
      .search-result-tag {
        .list {
          display: block;

          .item {
            .widget-link.search-link {
              flex: 1;
              font-size: $font-0;
              padding: 5px;
            }
          }
        }
      }

      .search-result-user {
        .user-result {
          display: flex;
          flex-direction: row;
          align-items: center;

          .avatar {
            margin-right: 0.5em;
            display: block;
            min-width: 25px;
          }

          .user-titles {
            display: flex;
            flex-direction: column;
            overflow: auto;
            line-height: $line-height-medium;

            .username,
            .name {
              @include ellipsis;
            }

            .username {
              color: var(--primary-high-or-secondary-low);
              font-size: $font-down-1;
            }

            .name {
              color: var(--primary-high-or-secondary-low);
              font-size: $font-0;
              font-weight: 700;
            }
          }
        }
      }
    }

    .show-more {
      padding: 5px;
    }
  }

  .searching {
    position: absolute;
    top: 1.15em;
    right: 1em;

    .spinner {
      width: 10px;
      height: 10px;
      border-width: 2px;
      margin: 0;
    }
  }

  .no-results {
    padding: 5px;
  }

  .filter {
    padding: 0;
    &:hover {
      background: transparent;
    }
  }

  .search-link {
    margin-bottom: 0.25em;

    .badge-category-parent {
      line-height: $line-height-small;
    }

    .topic {
      display: inline-block;
      line-height: $line-height-medium;
    }

    .topic-title {
      overflow-wrap: anywhere;
      @supports not (overflow-wrap: anywhere) {
        word-break: break-word;
      }
      margin-right: 0.25em;
    }
  }
}