.resource-loader{position:fixed;width:100vw;height:100vh;top:0;left:0;background-color:rgba(0,0,0,.5);z-index:2}.resource-loader::before{content:'';display:block;position:absolute;width:80px;height:80px;top:calc(50% - 50px);left:calc(50% - 50px);border-color:#000 transparent transparent transparent;border-width:10px;border-style:solid;border-radius:50%;animation:rotate .8s linear infinite}@keyframes rotate{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}