.menu_logo {
    margin:0 auto
}
.menu-close {
    right: 15px;
    z-index: 1;
    position: absolute;
    cursor: pointer;
    width: 40px;
    height: 40px;
    padding: 6px 5px;
}
@media (max-width:767px) {
    .menu-close {
        top: 12px;
    }
}
@media (min-width:768px) {
    .menu-close {
        top: 14px;
    }
}