.header-group aside .down-btn{color:#fff;background:#33cccc;padding-left:50px;transition:all .3s ease}.header-group aside .down-btn .down-bg{background:transparent url(/build/assets/btn-down-client-on-439b5631.gif) no-repeat 0 0 /cover;transition:all .3s ease}.header-group aside .down-bg .ef{position:absolute;display:none;z-index:2}.header-group aside .down-btn:hover .ef{display:inline-block}.header-group aside .down-bg .ef01{top:20px;left:20px;width:20px;height:20px;background:transparent url(/build/assets/btn-down-ef01-2d0519ee.png) no-repeat center center /100%;animation:zoom .7s ease infinite}.header-group aside .down-bg .ef02{top:10px;right:10px;width:20px;height:20px;background:transparent url(/build/assets/btn-down-ef02-7f6f28cc.png) no-repeat center center /100%;animation:zoom2 .5s ease infinite}.header-group aside .down-bg .ef03{bottom:5px;right:50px;width:20px;height:20px;background:transparent url(/build/assets/btn-down-ef03-a5efab36.png) no-repeat center center /100%;animation:zoom3 1s ease infinite}.header-group aside .down-btn:focus .ef,.header-group aside .down-btn:active .ef{animation:zoomActive .5s ease infinite}@keyframes zoomActive{0%{transform:scale(1)}to{transform:scale(2)}}@keyframes zoom{0%{transform:scale(1)}50%{transform:scale(1.5)}to{transform:scale(1)}}@keyframes zoom2{0%{transform:scale(1)}50%{transform:scale(1.5)}to{transform:scale(1)}}@keyframes zoom3{0%{transform:scale(1);opacity:1}50%{transform:scale(2);opacity:.8}to{transform:scale(1);opacity:1}}