#pagelet-nfeedback{position:fixed;bottom:36px;margin-left:516px;left:50%;z-index:10;display:block}#pagelet-nfeedback .btn{display:block}#pagelet-nfeedback .btn .icon{height:34px;width:34px}#pagelet-nfeedback .refresh{display:block;width:44px;height:44px;background-repeat: no-repeat;}#pagelet-nfeedback .refresh:hover{background-repeat: no-repeat;}#pagelet-nfeedback .loading{-webkit-animation:rotating .8s linear 0s infinite;animation:rotating .8s linear 0s infinite}@keyframes 'rotating'{0%{transform:rotate(0deg)}50%{transform:rotate(180deg)}100%{transform:rotate(360deg)}}@-webkit-keyframes 'rotating'{0%{transform:rotate(0deg)}50%{transform:rotate(180deg)}100%{transform:rotate(360deg)}}#pagelet-nfeedback .refresh{background-position:0px 0px}#pagelet-nfeedback .refresh:hover{background-position:0px -74px}#pagelet-nfeedback .refresh,#pagelet-nfeedback .refresh:hover{background-image: url(//s2.pstatp.com/resource/toutiao_web/pagelet/nfeedback/nfeedback_z_b7e3073.png)}