html,
body {
  height: 100%;
}

* {
  margin: 0;
  padding: 0;
}

main {
  display: absolute;
  height: 100%;
  width: 100%;
}

article {
  /* position: absolute; */
  display: none;
  height: 100%;
  width: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#log {
  position: absolute;
  margin: 1rem;
}
#gauche {
  float: left;
  width: 66.666vw;
  height: 100vh;
  /* background-color: yellow; */
}
#droite {
  float: left;
  width: 33.333vw;
  height: 100vh;
  /* background-color: red; */
}