CSS

media queries on mobile

@media only screen and (max-width: 600px) {
	...your css here and you're good to go!
}

media query for mobile landscape only

@media screen and (orientation:landscape) and
(min-device-width: 320px) and (max-device-width: 450px) {
   /* Input Styles */
}

Media Query smartphone only

@media all and (max-width: 767px) {
 
}

Media Query smartphone only

/* Smartphone Only */
@media all and (max-width: 767px) {}