@charset "UTF-8";

section{
  height: 700px;
}

#elem1{
  background: url('../img/1.jpg') no-repeat;
  background-size: cover;
  background-position: 0 0;
}

#elem2{
  background: url('../img/2.jpg') no-repeat;
  background-size: cover;
  background-position: 0 0;
}

#elem3{
  background: url('../img/3.jpg') no-repeat;
  background-size: cover;
  background-position: 0 0;
}