.t-btn_md {
    height: 50px;
    font-size: 16px;
    
        .t-descr_xxs {
        font-size: 20px;
    }
}

t-btn_xs {
    height: 35px;
    font-size: 16px;
    padding-left: 15px;
    padding-right: 15px;
}