@media screen and (max-width: 1500px){
.site-nav .menu>li>a {
    width: 170px;
    white-space: nowrap;
}
}
@media screen and (max-width: 1300px){
    .site-nav .menu>li>a {
        width: 125px;
        font-size: 14px;
        letter-spacing: 0;
    }
}
@media(max-width:1250px){

.header-fixed .site-nav {
    left: 160px;
}

}