html, body {
  height: 100%;
}
body {
  margin: 0;
  overflow: hidden;
  background: #000000;
}
main {
  overflow: hidden;
  overflow-x: scroll;
  display: flex;
}
article {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100dvh;
  min-width: 50vw; /* la largeur de chaque article est ici similaire mais peut être modifiée */
  position: relative;
  z-index: 1;
}
section {
  position: fixed;
  height: 100dvh;
  top: 0;
  left: 0;
  transform: translateX(calc( var(--scroll,0) * var(--speed) * -1px));
  width: calc(var(--width) * 1px);
}
.plan img {
  width: 100%;
  position: absolute;
  bottom: 0;
}

nav {
  position: fixed;
  z-index: 1;
  top: 0;
}

path {
  fill: none;
  stroke-width: 2px;
  stroke-linecap: round; 
  stroke-linejoin: round;
}

#fond{
    position: absolute;
   left: 10vw;
   height: 95%;
   width: auto;
}
.absolute{
    position: absolute;
    top: 5vh;
    width: 30%;
left: 32vw;
z-index: 33333;
}

#i1{
    position: absolute;
    top: 4vh;
    width: 30%;
left: 37.8vw;
z-index: 33333;
}

#i2{  
    position: absolute;
  top: 2.5vh;
  width: 27%;
  left: 57.3vw;
z-index: 33333;
}