.wallkit-btn-block {
    display: block;
    width: 100%;
    text-align: center;
    padding: 20px;
    border: 1px solid red;
    margin-top: 20px;
    margin-bottom: 20px;
}

.btn-access-request {
    margin: 15px;
    min-width: 150px;
    height: 45px;
    border-radius: 5px;
    background-color: #999;
    color: #FFF;
    padding: 0 40px;
}