@media only screen and (max-width: 1735px) {
    #box {
        max-width: 750px;
        min-height: 560px;
        width: 90%;
}

}
@media only screen and (max-width: 800px) {
    #box #content header h1 {
        width: 236px;
        height: 132px;
    }

}