@media (min-width:470px) {
  .main_content {
    width:749px;
    /*background-color:#09ebde;*/
    height:100px;
    background-image:url("../../assets/img/start_mit_floete.png");
    background-repeat:no-repeat;
  }
}

@media (max-width:749px) {
  main_content {
    background-image:none;
    background:url("../../assets/img/start_ohne_floete.png");
  }
}

.img_startseite {
  background-repeat:no-repeat;
}

@media (max-width:470px) {
  .div_img {
    height:unset;
    /*width:unset;*/
  }
}

@media (min-width:470px) {
  .div_img {
    height:250px;
  }
}

@media (max-width:470px) {
  .div_text {
    width:unset;
  }
}

@media (min-width:470px) {
  .div_text {
    width:500px;
  }
}