anchor.diff:                      </c:when>
                       <c:otherwise>
                           <table class="list-table sortable tablesorter tw-text-sm">
  -                            <thead class="hidden-xs hidden-sm">
  +                            <thead class="tw-hidden lg:tw-table-header-group">
                               <tr>
  -                                <th scope="col" class="print:tw-hidden"><%-- placeholder to ensure correct number of th --%></th>
  -                                <th scope="col" class="sortable-field"><spring:message code="person.data.firstName"/></th>
  -                                <th scope="col" class="sortable-field"><spring:message code="person.data.lastName"/></th>
  -                                <th scope="col"><%-- placeholder to ensure correct number of th --%></th>
  -                                <th scope="col" class="hidden"><%-- placeholder to ensure correct number of th --%></th>
  -                                <th scope="col" class="hidden"><%-- placeholder to ensure correct number of th --%></th>
  -                                <th scope="col" class="sortable-field"><spring:message code="applications.statistics.allowed"/></th>
  -                                <th scope="col" class="sortable-field"><spring:message code="applications.statistics.waiting"/></th>
  -                                <th scope="col" class="sortable-field"><spring:message code="applications.statistics.left"/> (<c:out
  +                                <th scope="col" class=""><%-- placeholder to ensure correct number of th --%></th>
  +                                <th scope="col" class="tw-hidden lg:tw-table-cell sortable-field"><spring:message code="person.data.firstName"/></th>
  +                                <th scope="col" class="tw-hidden lg:tw-table-cell sortable-field"><spring:message code="person.data.lastName"/></th>
  +                                <th scope="col" class="lg:tw-hidden"><%-- placeholder to ensure correct number of th --%></th>
  +                                <th scope="col" class="md:tw-hidden"><%-- placeholder to ensure correct number of th --%></th>
  +                                <th scope="col" class="tw-hidden md:tw-table-cell"><%-- placeholder to ensure correct number of th --%></th>
  +                                <th scope="col" class="tw-hidden md:tw-table-cell sortable-field"><spring:message code="applications.statistics.allowed"/></th>
  +                                <th scope="col" class="tw-hidden md:tw-table-cell sortable-field"><spring:message code="applications.statistics.waiting"/></th>
  +                                <th scope="col" class="tw-hidden md:tw-table-cell sortable-field"><spring:message code="applications.statistics.left"/> (<c:out
                                       value="${from.year}"/>)
                                   </th>
                               </tr>
  
positive.code:                                             </small>
                                          </c:forEach>
                                      </td>
                                      <td class="hidden-xs hidden-sm number">
                                          <strong class="sortable">
                                              <uv:number
                                                  number="${statistic.totalAllowedVacationDays}"/>
  
negative.code:                                             </span>
                                          </div>
                                      </td>
                                      <td class="tw-hidden md:tw-table-cell">
                                          <spring:message code="applications.statistics.total"/>:
                                          <c:forEach items="${vacationTypes}" var="type">
                                              <br/>
  