html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  cursor: none;
}

.camada {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  z-index: 1;
  background: #000;
  -webkit-transition: opacity 0.8s ease;
  transition: opacity 0.8s ease;
}

.camada.visivel {
  opacity: 1;
}

.camada.frente {
  z-index: 2;
}

.camada img,
.camada video,
.camada canvas {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
  object-fit: contain;
  background: #000;
}

#aviso {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6%;
  z-index: 5;
  text-align: center;
  color: #8a8a8a;
  font: 2.2vw/1.4 sans-serif;
  padding: 0 5%;
}

#identificar {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  text-align: center;
  font: bold 11vw/1.1 sans-serif;
}

#identificar span {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  padding: 0 4%;
  border-bottom: 0.15em solid #25D366;
}