:root{--primary-color: #333}*,*:after,*:before{margin:0;padding:0;list-style:none;text-decoration:none;box-sizing:border-box}html,body{width:100vw;height:100vh}#app{width:100%;height:100%}.topcoder_title{position:absolute;top:0;left:0;color:#fff;background-color:#333;padding:5px 10px}.topcoder_footer{position:fixed;bottom:0;width:100%;display:flex;justify-content:center;background-color:#333;color:#fff}.loading{display:flex;justify-content:center;align-items:center;font-size:5rem;width:100%;height:100%}.loading span{color:var(--primary-color)}.lds-dual-ring{display:inline-block;width:80px;height:80px}.lds-dual-ring:after{content:" ";display:block;width:64px;height:64px;margin:8px;border-radius:50%;border:6px solid var(--primary-color);border-color:var(--primary-color) transparent var(--primary-color) transparent;animation:lds-dual-ring 1.2s linear infinite}@keyframes lds-dual-ring{0%{transform:rotate(0)}to{transform:rotate(360deg)}}main{display:none}