html,body{margin:0;background:#000;height:100%}#app{height:100%}#app:empty:after{content:"";position:fixed;top:50%;left:50%;width:28px;height:28px;margin:-14px 0 0 -14px;border:2px solid rgba(255,255,255,.12);border-top-color:#ffffff8c;border-radius:50%;animation:boot-spin .7s linear infinite,boot-fade .2s ease-out .6s both}@keyframes boot-spin{to{transform:rotate(360deg)}}@keyframes boot-fade{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){#app:empty:after{animation:boot-fade .2s ease-out .6s both}}