@media screen and (min-width: 750px) {
    body {
        max-width: 100%;
    }
    .container{
        height: 850px !important;
    }
    .header {
        max-width: 1200px;
    }
    .content{
        width: 650px;
        max-width: 650px;
        width: 100%;
        
    }
    .downbox{
        float: right;
        margin-top: 200px;
        text-align: left !important;
    }
    .phone{
        float: left;
        margin-top: 0px !important;
    }
}