@media screen and (max-width:1199px){
    .container{
        max-width: 100%;
    }
    .headernav .logo{
        width: 150px;
    }
}
@media screen and (max-width:991px){
    .headernav{
        padding-right: 55px;
    }

}
@media screen and (max-width:767px){
    .headernav .logo{
        width: 110px;
    }
    .support .icon{
        display: none;
    }
    .support .content{
        width: 100%;
    }
}