@media only screen and (min-width: 1150px) {
.btn_karte {
    width: 1150px !important;
    }
}

@media only screen and (min-width: 480px) {
.btn_ob480 {
    display: inline-block;
    }
}

@media only screen and (max-width: 479px) {
.btn_ob480 {
    display: none;
    }
}