.rtable {
    align-content: center;
    margin: auto auto;
}


@media screen and (max-width: 927px) {
    .rtable {
        display: inline-block;
        vertical-align: top;
        max-width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        border-collapse: collapse;
        border-spacing: 0;
    }
}