html,
body {
  background: grey;
  font-family: "BentonSans";
}

* {
  margin: 0;
}
body {
  overflow-x: hidden;
}
.container {
  --n: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
  width: 100%;
  width: calc(var(--n) * 100%);
  height: 100%;
  max-height: 100vh;
  transform: translate(calc(var(--tx, 0px) + var(--i, 0) / var(--n) * -100%));
  z-index: 0;
  /*  pointer-events: none; */
}
.container > div {
  width: 100%;
  width: calc(100% / var(--n));
  user-select: none;
  pointer-events: none;
}
.smooth {
  transition: transform calc(var(--f, 1) * 0.5s)
    cubic-bezier(1, 1.59, 0.61, 0.74);
}
.video{
  height: 100%;
}
#maincontainer-part2,
#maincontainer-part3,
#maincontainer-part4,
#maincontainer-part5,
#maincontainer-part6,
#maincontainer-part7,
#maincontainer-part8,
#maincontainer-part9,
#maincontainer-part10,
#maincontainer-part11,
#maincontainer-part12,
#maincontainer-part13,
#maincontainer-part14,
#maincontainer-part15,
#maincontainer-part16,
#maincontainer-part17,
#maincontainer-part18,
#maincontainer-part19 {
  display: none;
}
#maincontainer-part3 {
  display: none;
}
#backhome,
#backhome-black,
#go-back,
#go-backBlack {
  display: none;
  position: absolute;
}
#backhome,
#backhome-black {
  right: 0;
}

#backhome img,
#backhome-black img {
  margin-left: auto;
  width: 43px;
  padding: 15px;
}
#go-back img,
#go-backBlack img {
  padding: 20px;
  width: 120px;
}
#backtostart {
  display: none;
  /*  position: absolute; */
  z-index: 2;
  /*  display: flex; */
  width: 100%;
  bottom: 0;
}
#backtostart img {
  margin-left: auto;
  margin-right: auto;
  width: 300px;
  padding: 30px;
}

#clickToNext {
  position: absolute;
  z-index: 1;
  width: 100%;
  height: 25%;
  bottom: 0;
 /* background: #ff000057; */
}
#goToLitmos {
  position: absolute;
  z-index: 1;
  width: 100%;
  height: 35%;
  bottom: 8%;
 /* background: #e400ff57; */
 display: none;
}

#buttons-box {
  display: flex;
  z-index: 2;
  position: absolute;
  width: 100%;
}