@media only screen
and (max-width : 320px){
/* media queries for 320px */
}	

@media only screen
and (max-width : 340px){
/* media queries for 340px */
}	

@media only screen
and (max-width : 360px){
/* media queries for 360px */
}	

@media only screen
and (max-width : 384px){
/* media queries for 384px */
}	

@media only screen
and (max-width : 480px){
/* media queries for 480px */
}	

@media only screen
and (max-width : 768px){
/* media queries for 768px */
}