@media only screen and (max-width: 768px) {
    .boxright, .boxleft{
        width: 100%!important;
        padding: 0px!important;
    }
    .medium{
        padding: 0px!important;
    }
    .medium p{
        padding: 0px 15px!important;
    }
    p.boxright {
        padding: 0px!important;
    }
    p.boxright em {
        padding: 0px 15px!important;
    }
}