discourse/app/assets/stylesheets/mobile/search.scss

.search-container {
  flex-direction: column;
  margin-top: 0.5em;

  .search-advanced {
    order: 1;
    width: 100%;

    .search-info {
      flex-direction: column;
      align-items: left;
      justify-content: center;

      .sort-by {
        display: flex;
        align-items: center;
        margin-top: 0.5em;
        margin-left: 0;
        width: 100%;

        .select-kit {
          flex: 1 1 auto;
        }
      }
    }
  }

  .search-notice {
    margin-top: 1em;
  }

  .search-advanced-sidebar {
    order: 0;
    width: 100%;
    margin: 0;

    .tag-chooser {
      width: 100%;
    }
  }
}

.fps-topic {
  max-width: 75%;
}