.btnDefault {
    padding: 23px;
    line-height: 1;
    background: #4a4c53;
    border-radius: 50px;
    text-transform: uppercase;
    border: none;
    color: #fff;
    font-size: 14px;
    letter-spacing: 3px;
    cursor: pointer;
}

.btnDefault:hover, .btnDefault:focus {
    background: #f59a00;
}

@media screen and (max-width: 1600px) {
    .btnDefault {
        padding: 15px;
    }
}