body{margin:0}.vr-button,.xr-button{position:fixed;left:calc(50% - 50px)!important;bottom:20px;width:100px;padding:12px 6px;color:#fff;cursor:pointer;border:1px solid rgb(255,255,255);border-radius:4px;background:#0a0a0a80;font:14px sans-serif;font-weight:700;text-align:center;opacity:.5;outline:none;z-index:999}#loading{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center}#loading .progress{margin:1.5em;border:1px solid white;width:50vw}#loading .progressbar{margin:2px;background:#fff;height:1em;transform-origin:top left;transform:scaleX(0)}