@media screen and (min-width:980px) {
  .zeigeNurDesktop {
    width:100%;
  }
}

@media screen and (max-width:979px) {
  .zeigeNurDesktop {
    display:none;
  }
}

@media screen and (min-width:980px) {
  .zeigeMobil {
   display:none!important;
  }
}

@media screen and (max-width:979px) {
  .zeigeMobil {
    width:100%!important;
  }
}