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

/* flow transition */
.flow {
	-webkit-transform-origin: 50% 30%;
	-moz-transform-origin: 50% 30%;	
	-webkit-box-shadow: 0 0 20px rgba(0,0,0,.4);
	-moz-box-shadow: 0 0 20px rgba(0,0,0,.4);
}
.ui-dialog-page.flow {
	-webkit-transform-origin: none;
	-moz-transform-origin: none;	
	-webkit-box-shadow: none;
	-moz-box-shadow: none;
}
.flow.out {
	-webkit-transform: translateX(-100%) scale(.7);
	-webkit-animation-name: flowouttoleft;
	-webkit-animation-timing-function: ease;
	-webkit-animation-duration: 350ms;
	-moz-transform: translateX(-100%) scale(.7);
	-moz-animation-name: flowouttoleft;
	-moz-animation-timing-function: ease;
	-moz-animation-duration: 350ms;
}

.flow.in {
	-webkit-transform: translateX(0) scale(1);
	-webkit-animation-name: flowinfromright;
	-webkit-animation-timing-function: ease;
	-webkit-animation-duration: 350ms;
	-moz-transform: translateX(0) scale(1);
	-moz-animation-name: flowinfromright;
	-moz-animation-timing-function: ease;
	-moz-animation-duration: 350ms;
}

.flow.out.reverse {
	-webkit-transform: translateX(100%);
	-webkit-animation-name: flowouttoright;
	-moz-transform: translateX(100%);
	-moz-animation-name: flowouttoright;
}

.flow.in.reverse {
	-webkit-animation-name: flowinfromleft;
	-moz-animation-name: flowinfromleft;
}

@-webkit-keyframes flowouttoleft {
    0% { -webkit-transform: translateX(0) scale(1); }
	60%, 70% { -webkit-transform: translateX(0) scale(.7); }
    100% { -webkit-transform: translateX(-100%) scale(.7); }
}
@-moz-keyframes flowouttoleft {
    0% { -moz-transform: translateX(0) scale(1); }
	60%, 70% { -moz-transform: translateX(0) scale(.7); }
    100% { -moz-transform:  translateX(-100%) scale(.7); }
}

@-webkit-keyframes flowouttoright {
    0% { -webkit-transform: translateX(0) scale(1); }
	60%, 70% { -webkit-transform: translateX(0) scale(.7); }
    100% { -webkit-transform:  translateX(100%) scale(.7); }
}
@-moz-keyframes flowouttoright {
    0% { -moz-transform: translateX(0) scale(1); }
	60%, 70% { -moz-transform: translateX(0) scale(.7); }
    100% { -moz-transform:  translateX(100%) scale(.7); }
}

@-webkit-keyframes flowinfromleft {
    0% { -webkit-transform: translateX(-100%) scale(.7); }
	30%, 40% { -webkit-transform: translateX(0) scale(.7); }
    100% { -webkit-transform: translateX(0) scale(1); }
}
@-moz-keyframes flowinfromleft {
    0% { -moz-transform: translateX(-100%) scale(.7); }
	30%, 40% { -moz-transform: translateX(0) scale(.7); }
    100% { -moz-transform: translateX(0) scale(1); }
}
@-webkit-keyframes flowinfromright {
    0% { -webkit-transform: translateX(100%) scale(.7); }
	30%, 40% { -webkit-transform: translateX(0) scale(.7); }
    100% { -webkit-transform: translateX(0) scale(1); }
}
@-moz-keyframes flowinfromright {
    0% { -moz-transform: translateX(100%) scale(.7); }
	30%, 40% { -moz-transform: translateX(0) scale(.7); }
    100% { -moz-transform: translateX(0) scale(1); }
}