html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: black;
}

/* conteneur plein écran */
.scene {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* image centrée, jamais coupée */
.scene img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.porte{
	position:absolute;
	left:calc(68vw - 25%);
	top:65vh;
	width:10vw;
	max-width:60px;
	height:17vh;
	max-height:130px;
}

.message-temporaire {
  position: fixed;
  top: 650px;
  left: 50%;
  transform: translateX(-50%);
  background-color: black;
  color: white;
  padding: 12px 20px;
  border-radius: 6px;
  opacity: 0;
  animation: apparition 5s ease-in-out forwards;
}

@keyframes apparition {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}