.t-store__prod-popup__btn {
    margin-bottom: 0;
    width: 180px !important;
    height: 45px !important;
}


@media screen and (max-width: 480px) {
    a.t-store__prod-popup__btn[href="#order"] {
        -ms-flex-positive: 1;
        -webkit-flex-grow: 1;
        flex-grow: 1;
        height: 50px !important;
    }
}