html,body{margin:0;height:100%}canvas{width:100%;height:100vh;display:block}#errorMessage{display:flex;justify-content:space-between;align-items:center;position:absolute;top:10px;height:40px;padding:10px;border-radius:10px;color:#fff;font-weight:700;background-color:red}#errorMessage img{height:35px;width:auto}