.content_home {
  background: url(/background-pics/Tulpe.jpg);
  background-repeat: no-repeat;
  background-position: center top;
  background-position-y: 10px;
  background-size: 105%;
}
@media screen and (max-width: 600px) {
 .content_home {
    background-size: 95%;
    background-position-y: -0em;
  }