.hero {
  width: 100%;
  height: 100vh;
  min-height: 500px;
  position: relative;
  left: 0;
  background-color: #d9edfd;
  transform: translate3d(0, 0, 0);
  top: -10em;
}

.layer-1 {
  animation: parallax_fg linear 20s infinite both;
  background: url(/files/Bilder/header-animation/1.png) 0 100% repeat-x;
  z-index: 1;
  position: absolute;
  bottom: -90px;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: auto 700px;
}

.layer-2 {
  animation: parallax_fg linear 30s infinite both;
  background: url(/files/Bilder/header-animation/2.png) 0 100% repeat-x;
  z-index: 1;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: auto 145px;
  display:none;
}

.layer-3 {
  animation: parallax_fg linear 55s infinite both;
  background: url(/files/Bilder/header-animation/3.png) 0 100% repeat-x;
  z-index: 1;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /*background-size: auto 130px;*/
}

.layer-4 {
  animation: parallax_fg linear 75s infinite both;
  background: url(/files/Bilder/header-animation/4.png) 0 100% repeat-x;
  z-index: 1;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: auto 468px;
}

.layer-5 {
  animation: parallax_fg linear 95s infinite both;
  background: url(/files/Bilder/header-animation/5.png) 0 100% repeat-x;
  z-index: 1;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: auto 450px;
}

.layer-6 {
  animation: parallax_fg linear 120s infinite both;
  background: url(/files/Bilder/header-animation/6.png) 0 100% repeat-x;
  z-index: 1;
  position: absolute;
  width: 100%;
  height: 100%;
  /*bottom: 0;
  left: 0;
  background-size: auto 500px;*/
}

.schiff {
  background: url(/files/Bilder/header-animation/schiff.png) 0 100% no-repeat;
  z-index: 1;
  position: absolute;
  bottom: 100px;
  left: 5%;
  width: 100%;
  height: 100%;
  background-size: auto 40%;
  /*animation: parallax_schiff linear 170s infinite both;*/
}


@keyframes parallax_fg {
  0% {
    background-position: 2765px 100%;
  }
  100% {
    background-position: 550px 100%;
  }
}
@keyframes parallax_schiff {
  0% {
    background-position: 50px 100%;
  }
  100% {
    background-position: 2000px 100%;
  }
}