CODE EXAMPLE FOR CSS

media query in css

 /*Any Mobile Device*/
@media only screen and (max-width: 767px) { }
 /*Tablets Device*/
@media only screen and (max-width: 991px) { }
 /*ipad Pro  Device*/
@media only screen and (max-width: 1024px) { }
 /*large  Device*/
@media only screen and (max-width: 1200px) { }