.modal-fundo {
  position: fixed; /* Stay in place */
  z-index: 10000; /* Sit on top */
  padding-top: 20px; /* Location of the box */
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 20px;
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.3); /* Black w/ opacity */
}

.modal-conteudo-pagina {
    margin: 0 auto;
    display: block;
    max-width: 90%;
    border-radius: 7px;
    background-color: #fff;
}

.btn-modal-fechar{
  border:none;
  background-color: transparent;
  position: top;
  padding-right: 10px;
  float: right; /*desacopla o botão do resto dos componentes*/
}