anchor.diff:  
   <style type="text/css">
       #no-activities-message td {
  -        text-align: center;
  +        text-align: left;
  +        padding-left: 2em;
       }
   
       th.activity {
  
positive.code:         </p>
  
          <form:form>
              <c:set var="tableWidth" value="${period.duration.days + 2}"/>
              <table class="limited-display-box">
               <tbody id="input-body">
                  <tr>
                      <c:choose>
                          <c:when test="${not empty command.grid}">
                              <td id="td1" style="display:table-cell;"></td>
                          </c:when>
                          <c:otherwise>
                              <td id="td1"></td>
                          </c:otherwise>
                      </c:choose>
  
  
                      <th colspan="${tableWidth - 2}">Days of segment (${commons:pluralize(period.repetitions, "repetition")})</th>
                      <td></td>
                      <td class="emptyCellNoWidth"> </td>
                  </tr>
                  <tr id="days-header">
                      <c:choose>
                          <c:when test="${not empty command.grid}">
                              <td id="td2" style="display:table-cell;"></td>
                          </c:when>
                          <c:otherwise>
                              <td id="td2"></td>
                          </c:otherwise>
                      </c:choose>
  
                      <c:set var="MAX_REPETITION_SIZE" value="4"/>
                      <c:set var="MAX_REPETITIONS_DISPLAYED_WHEN_COMPRESSED" value="2"/>
                      <c:set var="compressPeriod" value="${period.repetitions gt MAX_REPETITION_SIZE}"/>
  
negative.code:         cursor:pointer;
      }
  
      #period table {
          padding:5px;
          overflow-x:auto;
          display:block;
  