#box-1 {
  height: 100vh;
  width: 100%;
  background-image: url(../../assets/img/main3.jpg);
  background-size: cover;
  display: table;
  background-attachment: fixed;
  opacity: .9;
  /*position: relative;*/
  /*background-position: center;*/
}

#box-2 {
  height: 100vh;
  width: 100%;
  background-image: url(../../assets/img/03.jpg);
  background-size: cover;
  display: table;
  background-attachment: fixed;
  opacity: .9;
  /*background-position: center;*/
}

#box-3 {
  height: 100vh;
  width: 100%;
  background-image: url(../../assets/img/i3.jpg);
  background-size: cover;
  display: table;
  background-attachment: fixed;
}

h1 {
  font-family: arial black;
  font-size: 50px;
  color: white;
  margin: 0px;
  text-align: center;
  display: table-cell;
  vertical-align: middle;
}

@media only screen and (min-width: 500px) {
  #captionMobile {
    display: none;
  }
}

@media only screen and (min-width: 350px) {
  #captionMobileSmall {
    display: none;
  }
}