.main1 {
  width: 100%;
  height: 90vh;
  background-image: url('../images/Allgreen_logo-vert_concrete2.jpg');
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
}

.main1._2 {
  background-image: url('../images/Allgreen_mockup_paper.jpg');
}

.main1._3 {
  background-image: url('../images/GreenFull.png');
}