.btn {
    text-transform: uppercase;
    width: auto;
    background: #c49200;
    min-width: 170px;
    padding: 18px 40px;
    height: auto;
    border: none;
    color: #fff;
}

@media screen and (max-width: 448px) {
    .oculta{
        display: none;
    }
}