body {
  background: rgb(214,225,248);
}

#portal {
  width: 100%;
  height: 30vh;
  background: url("../../assets/img/h_bg.jpg") top / cover no-repeat;
}

@media (min-width: 576px) {
  #portal {
    background: url("../../assets/img/h_bg.jpg") left / cover no-repeat;
  }
}