#cover-spin{position:fixed;width:100%;left:0;right:0;top:0;bottom:0;background-color:hsla(0,0%,100%,.7);z-index:9999;display:none}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}#cover-spin:after{content:"";display:block;position:absolute;left:48%;top:40%;width:40px;height:40px;border-style:solid;border-color:#000;border-top-color:transparent;border-width:4px;border-radius:50%;animation:spin .8s linear infinite}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}