jquery-mobile/css/structure/jquery.mobile.transitions.css

.in {
	-webkit-animation-timing-function: ease-out;
	-webkit-animation-duration: 325ms;
	-moz-animation-timing-function: ease-out;
	-moz-animation-duration: 325ms;
}
.out {
	-webkit-animation-timing-function: ease-in;
	-webkit-animation-duration: 250ms;
	-moz-animation-timing-function: ease-in;
	-moz-animation-duration: 250ms;
}