[Tu Tran]

Hi,

Please try to add the code below into end of the file skin\frontend\sns_nazic\default\less\responsive.less

@media (max-width: 1200px)  {
	#sns_custommenu {
		display: none !important;
	}
	#sns_mommenu {
		display: block !important;
	}
	
}

@media (max-width: 1200px) and (min-width: 992px) {
	.btn-navbar {
		&.leftsidebar, &.rightsidebar {
			display: none !important;
		}
	}
}

Thanks,