/*瀑布流布局样式*/
.waterfall{ position: relative; }
.waterfall li { position: absolute;  left: 0px; top: 0; }
/*css3动画*/
.waterfall li {
	-webkit-transition:all 0.3s;
	-moz-transition:all 0.3s;
	-o-transition:all 0.3s;
	-ms-transition:all 0.3s;
	transition:all 0.3s;
}