@media only screen and (max-width: 1500px) {
    /* */
}

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

@media only screen and (max-width: 992px) {
    /* */
}

@media only screen and (max-width: 768px) {
    /* */
}

@media only screen and (max-width: 480px) {
    #about > .mvd{
        max-width: 50%;
    }
}

@media only screen and (max-width: 320px) {
    /* */
}