html,body{margin:0;overflow:hidden;display:flex;align-items:center;justify-content:center;width:100%;height:100%}nav{display:flex;justify-content:center;width:100%;position:absolute;bottom:10px;z-index:100}.f-loader{position:absolute;width:100%;display:flex;justify-content:center;pointer-events:none;opacity:0;z-index:1000}