anchor.diff:                          <!-- /.row -->
   
                           <div class="row">
  -                            <div class="col-lg-12">
  -                                <img src="${pageContext.request.contextPath}/bootstrap/imagens/livro.png" width="40%" height="20%"/>
  -                                <img src="${pageContext.request.contextPath}/bootstrap/imagens/book2.png" left="90%" width="40%" height="20%"/>
  +                <div class="col-lg-12">
  +                          <img src="${pageContext.request.contextPath}/bootstrap/imagens/livroIndex.jpg" style="width:100%;height:350px;position:absolute;top:50%;margin-top:-21px;" />
                               </div>
                           </div>
                           <!-- /.row -->
  
positive.code:                 <!-- Sidebar Menu Items - These collapse to the responsive navigation menu on small screens -->
                  <div class="collapse navbar-collapse navbar-ex1-collapse">
                      <ul class="nav navbar-nav side-nav">
                          <c:if test="${not empty sessionScope.usuAutenticado && sessionScope.usuAutenticado.temPapel('Admin')}">
                              <li>
                                  <a href="javascript:;" data-toggle="collapse" data-target="#emp"><i class="fa fa-fw fa-home"></i> Empresa <i class="fa fa-fw fa-caret-down"></i></a>
                                  <ul id="emp" class="collapse">
  
negative.code:                             <li>
                                  <a href="javascript:;" data-toggle="collapse" data-target="#usu"><i class="fa fa-fw fa-user"></i> Usuario <i class="fa fa-fw fa-caret-down"></i></a>
                                  <ul id="usu" class="collapse">
                                         
                                      <li>
                                          <a href="${pageContext.request.contextPath}/bootstrap/usuario.jsp">Cadastro</a>
                                      </li>
  