.r8_form {
    margin: 0 auto;
    width: 100%;
    max-width: 1450px;
    border: 1px solid rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 10px;
    display: table;
.btn-default {
    color: #0000fd;
    background-color: #FFFFFF;
    border-color: #ccc;
}