@media only screen and (max-width: 1366px) {
}

@media only screen and (max-width: 1171px) {
}

@media only screen and (max-width: 992px) {
}

@media only screen and (max-width: 768px) {
    .logo .navbar-brand img{
        height:35px;
    }
    .signin {
    padding-top: 0;
}
    .signin ul li{margin-left:10px;}
}
@media only screen and (max-width: 575px) {
}

@media only screen and (max-width: 321px) {
}