#navcontainer {
display: block;
}
#navcontainer_ex, .navcontainer_ex {
	visibility: hidden;
	height: 0;
}

@media only screen and (max-width: 769px) {
#navcontainer {
display: none; 
}
#navcontainer_ex, .navcontainer_ex {
	visibility: visible;
	height: auto;
}
}