#Download{width: 1849px;height: 95px;text-align:center;position:absolute;top: -200px;left:50%;margin-left: -551px;z-index:51;border-radius:5px;}
#Download .btn_down_s1{float:left;width: 365px;height: 128px;text-indent:-999em;margin-right: 12px;/* animation: sc 2s infinite linear; */background:url(../images/down.png) no-repeat left top;}
#Download .btn_down_s2{float:left;width: 347px;height: 112px;text-indent:-999em;margin-left: 16px;/* animation: sc 2s infinite linear; */background:url(../images/cz.png) no-repeat left top;margin-left: 384px;}
 
@keyframes sc {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.8);
  }
  100% {
    transform: scale(1);
  }
}