button {
    min-height: 54px;
    padding: 12px 20px;
    font-size: 22px;
    font-weight: 700;
    border: 1px solid #999;
    border-radius: 12px;
    background: #f2f2f2;
    cursor: pointer;
}

button:hover {
    background: #e9e9e9;
}

a > button {
    min-width: 160px;
}