.icon_arrowbottom{width:231px;height:51px;position:absolute;color:#fff;top:980px;left:50%;margin-left:-150px;background:url("../images/slide_1560552.png"/*tpa=http://xj.1dd.com/images/slide_1560552.png*/) no-repeat left top;z-index:2510;-webkit-animation:press 2.5s ease-out infinite;animation:press 2.5s ease-out infinite;}
.icon_arrowbottom span{width:56px;line-height:33px;text-align:center;position:absolute;top:100%;left:50%;transform:translatex(-50%);-webkit-transform:translatex(-50%);}

	@-webkit-keyframes rotate {
	  0%,
	  100% {-webkit-transform: rotate(0deg);}
	  100% { -webkit-transform: rotate(360deg);}
	}
	@keyframes rotate {
	  0%,
	  100% {transform: rotate(0deg); }
	  100% {transform: rotate(360deg);}
	}
	@keyframes breathe {
	  0% {opacity:0;}
	  50% {opacity:1;}
	}
	
	@keyframes press{
		50%{ transform:translateY(10px);}
	}
	
	@-webkit-keyframes press{
		50%{ -webkit-transform:translateY(10px);}
	}