@media only screen
and (max-width: 510px) {
    .dd-content {
        right:auto;
    }
}

@media only screen
and (min-width: 510px)
and (max-width: 767px) {
    .dd-content {
        right:0px;
    }
}

@media only screen
and (min-width : 768px) {
    .dd-content {
        right:auto;
    }
}

/* Desktops and laptops ----------- */
@media only screen  and (min-width : 1200px) {
}

/* Large screens ----------- */
@media only screen  and (min-width : 1824px) {
}