.r8_form {
    margin: 0 auto;
    width: 100%;
    max-width: none;
    border: 1px solid #fff;
    border-radius: 4px;
    padding: 10px;
    display: table;
}

#r8_content .btn-default {
    color: #fff;
    background-color: #193153;
    border-color: #193153;
}

label .btn-default {background-color: transparent;}