@media screen and (max-width: 800px){
    .siteinfo .mhead-right {
        display: block;
        margin-right: 45px;
        margin-top: 32px;
    }
}

@media screen and (max-width: 480px){
    .siteinfo .mhead-right {
        display: block;
        margin-top: 15px;
        margin-right: 15px;
    }
}

@media screen and (max-width: 640px) and (orientation: landscape){
    .siteinfo .mhead-right {
        display: block;
        margin-top: 15px;
        margin-right: 15px;
    }
}