html, body {height: 100%;
-webkit-overflow-scrolling: touch;
}
body{overflow-y: scroll;}
/*mobile and tablet*/
@media (min-width: 320px) and  (max-width: 1023px) {
	
}
/*tablet*/
@media (min-width: 768px) and  (max-width: 1024px) {
	
}
/*mobile*/
@media (min-width: 320px) and  (max-width: 767px) { 
	
}