anchor.diff:                          </div>
                       </c:otherwise>
                   </c:choose>
  -            </fieldset>
  +            </div>
           </form:form>
   
           <c:if test="${departmentCalendars.size() > 0}">
           <div class="tw-mb-8">
  -            <fieldset class="tw-mb-4">
  -                <legend class="tw-text-xl">
  -                    <spring:message code="calendar.share.department.title"/>
  -                </legend>
  +            <div class="tw-mb-4">
  +                <uv:section-heading>
  +                    <h2 class="tw-text-xl">
  +                        <spring:message code="calendar.share.department.title"/>
  +                    </h2>
  +                </uv:section-heading>
                   <div>
                       <c:if test="${departmentCalendars.size() > 1}">
                       <ul class="nav nav-tabs">
  
positive.code:                     </c:choose>
                  </form:form>
                  </c:if>
              </fieldset>
          </div>
          </c:if>
      </main>
  
negative.code:     <main>
          <form:form method="POST" action="${URL_PREFIX}/calendars/share/persons/${privateCalendarShare.personId}/me"
                     modelAttribute="privateCalendarShare" cssClass="tw-mb-8">
              <div class="tw-mb-4">
                  <uv:section-heading>
                      <h2 class="tw-text-xl">
                          <spring:message code="calendar.share.me.title"/>
                      </h2>
                  </uv:section-heading>
                  <c:choose>
                      <c:when test="${empty privateCalendarShare.calendarUrl}">
                          <div class="tw-max-w-3xl">
  