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

.admin-report.post-edits {
  .admin-report-table {
    .report-table {
      thead tr th.edit_reason,
      tbody tr td.edit_reason {
        width: auto;
      }
    }
  }
}

.admin-report.trending-search {
  .admin-report-table {
    .report-table {
      thead tr th.term,
      tbody tr td.term {
        width: 50%;
      }
    }
  }
}