$(".tile").mouseenter(function () {
$(this).children(".front").transit( {
"rotateX":"90deg"
},500,"easeInCirc",function () {
var back;
$(this).hide();
back = $(this).siblings(".back");
back.css({
"rotateX" : "-90deg"
});
back.show();
back.transit( {
"rotateX":"0deg"
},500,"easeOutCirc");
});
});
$(".tile").mouseleave(function () {
$(this).children(".back").transit( {
"rotateX" : "90deg"
},500,"easeInCirc",function () {
var front;
$(this).hide();
front = $(this).siblings(".front");
front.css({
"rotateX" : "-90deg"
});










