@media (max-width: 475px) {

}
@media (max-width: 600px) {

}
@media (max-width: 767px) {
}
@media (max-width: 768px) {
	#demo .modal-dialog{
		max-width: 100%;
		width: 90%;
	}
	#demo .modal-body iframe{
		height:  450px !important; 
	}
}
@media (max-width: 991px) {

}
@media (max-width: 1024px) {

}
@media (min-width:992px) {

}