block 1
block 2
block 3
block 4
block 5
$('.block').jSee({
offsetEnter: 0,
offsetLeave: 0,
enter: function () {
var me = this;
setTimeout(function () {
$(me).addClass('active');
}, 300)
},
leave: function () {
var me = this;
setTimeout(function () {
$(me).removeClass('active');
}, 300);
}
});