#navbar {
    z-index: 1;
}

.mask {
    z-index: 2;
}

.modal {
    z-index: 3;
}


@media screen and (max-width:1024px) {
#navbar {
    z-index: 2;
}

.mask {
z-index: 3;
}
#mask-nav{
z-index:2
}
.modal {
    z-index: 4;
}

}