html, body {
  margin: 0;
  padding: 0;
  height: 100dvh;
  width: 100dvw;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: url("../imgs/comback.png") no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.container {
  height: 720px;
  width: 1280px;
}

p {
  margin: 0;
}

.hidden {
  display: none;
}

.hitbox.door:hover ~ .show.door {
  display: none;
}

.hitbox.door:hover ~ .hidden.door {
  display: block;
}

.hitbox.book:hover ~ .show.book {
  display: none;
}

.hitbox.book:hover ~ .hidden.book {
  display: block;
}

.hitbox.grave:hover ~ .hidden.grave {
  display: block;
}