.closed {
  position: relative;
  isolation: isolate;
}

.closed::before {
  content: url(../imagens/icons/blocked.svg);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: absolute;
  display: block;
  z-index: 999;
  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);

  background-size: 100%;
  background-repeat: no-repeat;
}