div.jumbotron.carousel-hero {
  color: #fff;
  text-align: center;
  background-size: cover;
  background-position: center;
  padding-top: 100px;
  padding-bottom: 100px;
  margin-bottom: 0;
}
@media screen and (min-width: 1300px) {
  div.jumbotron.hero-nature {
    background-image: url('../img/slider/eye-1365333.webp'), url('../img/slider/eye-1365333.png');
  }

  div.jumbotron.hero-photography {
    background-image: url('../img/slider/feather-3010848.webp'), url('../img/slider/feather-3010848.jpg');
  }

  div.jumbotron.hero-technology {
    background-image: url('../img/slider/unendlich.webp');
  }
}

@media screen and (min-width: 400px) {
  div.jumbotron.hero-nature {
    background-image: url('../img/slider/eye400.webp');
  }

  div.jumbotron.hero-photography {
    background-image: url('../img/slider/feather400.webp');
  }

  div.jumbotron.hero-technology {
    background-image: url('../img/slider/unendlich400.webp');
  }
}

@media screen and (min-width: 800px) {
  div.jumbotron.hero-nature {
    background-image: url('../img/slider/eye800.webp'),url('../img/slider/eye800.png');
  }

  div.jumbotron.hero-photography {
    background-image: url('../img/slider/feather800.webp'), url('../img/slider/feather800.png');
  }

  div.jumbotron.hero-technology {
    background-image: url('../img/slider/unendlich800.webp'),url('../img/slider/unendlich800.png');
  }
}
@media screen and (min-width: 1000px) {
  div.jumbotron.hero-nature {
    background-image: url('../img/slider/eye1000.webp'),url('../img/slider/eye1000.png');
  }

  div.jumbotron.hero-photography {
    background-image: url('../img/slider/feather1000.webp'), url('../img/slider/feather1000.png');
  }

  div.jumbotron.hero-technology {
    background-image: url('../img/slider/unendlich1000.webp'),url('../img/slider/unendlich1000.png');
  }
}

h1.hero-title, h2.hero-title, h3.hero-title {
  text-shadow: 0 3px 3px rgba(0,0,0,0.4);
  color: #fff;
}

p.hero-subtitle {
  max-width: 600px;
  margin: 25px auto;
  padding: 10px 15px;
  color: #fff;

}

.plat {
  border-radius: 0px;
}

.btn-primary.focus, .btn-primary:focus {
  box-shadow: 0 0 0 0 #048f83!important;
}

.btn-primary:hover {
  color: #fff;
  background-color: #016090;
  border-color: #016090;
}

.btn.btn-primary {
  background-color: #048f83!important;
  border-color: #048f83!important;
}

.btn-primary.focus, .btn-primary:focus {
  box-shadow: 0 0 0 .2rem rgba(0,123,255,.5);
}

* {
  /*box-sizing: inherit;*/
}

*:before, *:after {
  /*box-sizing: inherit;*/
}

span {
  font-style: inherit;
  font-weight: inherit;
}

.hero-nature.carousel-hero.jumbotron {
}