.circle{transition:opacity .5s ease;width:30px;height:30px;border-radius:50px;-webkit-border-radius:50px;-moz-border-radius:50px;-ms-border-radius:50px;-o-border-radius:50px;-webkit-transition:opacity .5s ease;-moz-transition:opacity .5s ease;-ms-transition:opacity .5s ease;-o-transition:opacity .5s ease}.circle1{background-color:#ff6e00}.circle2{background-color:#044ed7}.circle0{background-color:#f8f4f1}.loading-mask{position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;background-color:rgba(0,0,0,.5)}