body {
  background-color: rgb(7, 8, 52);
}

* {
  font-family: "Open Sans", sans-serif;
  max-width: 100%;
  max-height: 100%;
}

#bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(
    circle at var(--x) var(--y),
    rgba(16, 0, 158, 0.25),
    #090820 70%
  );
  transition: background 0.05s;
  z-index: -1;
}

nav {
  background-color: rgb(1, 2, 23);
  padding: 0.5rem;
  border-radius: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 720;
}

.maison_logo {
  width: 3.4rem;
  height: 3.4rem;
  background: none;
  padding: 0rem;
}

.logo {
  display: flex;
  align-items: center;
}

.input_nav {
  text-decoration: none;
  color: rgb(205, 209, 255);
  font-size: 1.5rem;
  margin-left: 0.4rem;
  margin-right: 0.4rem;
  padding: 0.4rem;
  transition: all 0.3s;
}

.input_nav:hover {
  background-color: rgba(12, 14, 81, 0.516);
  border-color: #3c00ff;
  box-shadow: 0 0 20px #3c00ffbb;
  border-radius: 0.5rem;
}

.img {
  max-width: 60rem;

  transform: rotate(-2.5deg);
}

main {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.classe {
  width: 0.35rem;
  z-index: 10;
  background-color: rgb(115, 255, 0);
  position: absolute;
}

.un {
  height: 5rem;
  top: 48rem;
  left: 61.4rem;
}

.bout1 {
  height: 1rem;
  top: 52.3rem;
  left: 61rem;
  transform: rotate(90deg);
}

.bout2 {
  height: 1rem;
  top: 47.6rem;
  left: 61.7rem;
  transform: rotate(90deg);
}

#salle_1 {
  display: none;
}

.hidden1 {
  display: none;
}