anchor.diff:                              <div class="col-md-9">
                                   <form:input path="remainingVacationDays" class="form-control"
                                               cssErrorClass="form-control error"
  -                                            size="1" id="remainingVacationDays"/>
  +                                            size="1" id="remainingVacationDays" type="number"/>
                                   <span class="help-inline">
                                       <form:errors path="remainingVacationDays" cssClass="error"/>
                                   </span>
  
positive.code:                             <div class="col-md-9">
                                  <form:input path="actualVacationDays" class="form-control"
                                              cssErrorClass="form-control error" size="1"
                                              id="actualVacationDays"/>
                                  <span class="help-inline">
                                      <form:errors path="actualVacationDays" cssClass="error"/>
                                  </span>
  
negative.code:                             <div class="col-md-9">
                                  <form:input path="annualVacationDays" class="form-control"
                                              cssErrorClass="form-control error" size="1"
                                              id="annualVacationDays" type="number"/>
                                  <span class="help-inline">
                                      <form:errors path="annualVacationDays" cssClass="error"/>
                                  </span>
  