html,body{margin:0;height:100%;width:100%;overflow:hidden}#ui{display:flex;justify-content:center;position:fixed;bottom:20px;width:100%;gap:0px 24px}.btn{border:0;border-radius:10px;background:rgba(240,240,240,.25);color:#0f0f0fbf;padding:4px 12px;font-size:12px;font-weight:700;z-index:10;cursor:pointer;user-select:none;-webkit-user-select:none;transition:all .2s ease-out}.btn:hover{background:rgba(240,240,240,.75)}